submission_id
stringlengths
5
9
problem_id
stringlengths
3
6
date
int64
-1
-1
language
stringclasses
11 values
verdict
stringclasses
1 value
cpu_time
int64
-1
15k
memory
int64
-1
1.07B
code
stringlengths
16
11k
source
stringclasses
1 value
testcount
int64
0
604
lenght
int64
16
11k
40569949
1000A
-1
cpp
Accepted
30
155,648
#include <bits/stdc++.h> using namespace std; int n, result; string s,xp,lp,sp; map<string,int> a,b; int main() { ios::sync_with_stdio(false); result = 0; xp = ""; cin >> n; for (int i=0; i<n; i++) { cin >> s; a[s]++; } for (int i=0; i<n; i++) { cin >> s; b[s]++; } result += max(b["M"]-a["M"],0); for (int i=0; i<=3; i++) { lp = xp + "L"; sp = xp + "S"; result += max(b[lp]-a[lp], 0); result += max(b[sp]-a[sp], 0); xp += "X"; } cout << result << endl; return 0; }
codeforces
37
496
52789817
1000A
-1
cpp
Accepted
31
12,288
#include<bits/stdc++.h> using namespace std; int main() { long long n,i,j,ans=0; string s,t; cin>>n; vector <string> ini; vector <string> fin; for(i=0;i<2*n;i++) { cin>>s; if(i>=n) fin.push_back(s); else ini.push_back(s); } for(i=0;i<n;i++) { for(j=0;j<n;j++) { if(fin[j]==ini[i]) { ans++; fin[j]+='9'; ini[i]+='0'; break; } } } cout<<n-ans; }
codeforces
37
496
56880748
1000A
-1
cpp
Accepted
31
8,192
#include<bits/stdc++.h> using namespace std; map<string, int> q; string a; int main() { int n; cin >> n; int tot = 0; for (int i = 1; i <= n; i++) { cin >> a; q[a]++; } for (int i = 1; i <= n; i++) { cin >> a; q[a]--; } map<string, int>::iterator iter; iter = q.begin(); while(iter != q.end()) { if (iter->second > 0) tot += iter->second; iter++; } cout << tot; return 0; }
codeforces
37
496
74615250
1000A
-1
cpp
Accepted
46
12,288
#include <iostream> #include <bits/stdc++.h> using namespace std; #define ll long long int #define pb push_back int main() { int n; cin>>n; int t=n; unordered_map<string,int> a; for(int i=0;i<n;i++){ string s; cin>>s; ++a[s]; } int ans=0; for(int i=0;i<n;i++){ string s; cin>>s; if(a[s]>0){ --a[s]; } else ans++; } cout<<ans<<endl; return 0; }
codeforces
37
496
39713087
1000A
-1
cpp
Accepted
31
8,192
#include<iostream> #include<string> using namespace std; int main() { int end = 0; int n; cin >> n; string s[100]; string h[100]; for (int k = 0; k < n; ++k) { cin>>s[k]; } for (int k = 0; k < n; ++k) { cin >> h[k]; } for (int k = 0; k < n; ++k) { for (int j = 0; j < n; ++j) { if (s[k] == h[j]) { s[k] = ""; h[j] = ""; break; } } } for (int k = 0; k < n; ++k) { if (s[k] != "") end += 1; } cout << end; return 0; }
codeforces
37
497
39715137
1000A
-1
cpp
Accepted
30
147,456
#include<bits/stdc++.h> using namespace std; main() { int n; cin>>n; string s; map<string, int>m1,m2; map<string, int> :: iterator it; for(int i=0;i<n;i++) { cin>>s; m1[s]++; } for(int i=0;i<n;i++) { cin>>s; m2[s]++; } int ans = 0; for(it = m2.begin(); it!=m2.end(); it++) { if(m1[it->first] < it->second) ans = ans + it->second - m1[it->first]; } cout<<ans; }
codeforces
37
497
39733266
1000A
-1
cpp
Accepted
31
20,480
#include<bits/stdc++.h> using namespace std; int qu[5][100], jin[5][100]; int main() { int num, res=0; string s; cin>>num; for(int i=0; i<num; i++) { cin>>s; for(int j=0; j<s.size(); j++) qu[s.size()][s[j]-'A']++; } for(int i=0; i<num; i++) { cin>>s; for(int j=0; j<s.size(); j++) jin[s.size()][s[j]-'A']++; } for(int i=1; i<5; i++) { for(int j=0; j<=26; j++) if(qu[i][j]>jin[i][j]) res+=qu[i][j]-jin[i][j]; } cout<<res; return 0; }
codeforces
37
497
40031187
1000A
-1
cpp
Accepted
31
8,192
#include <bits/stdc++.h> using namespace std; vector<string> d; map<string, int> cnt; int main() { int n; while(scanf("%d", &n)==1) { string s; for(int i(0); i<n; i++) { cin >> s; d.push_back(s); } for(int i(0); i<n; i++) { cin >> s; cnt[s]++; } int ok = 0; for(auto s:d) { if(cnt[s] > 0) cnt[s]--, ok ++; } printf("%d\n", n - ok); } return 0; }
codeforces
37
497
40509241
1000A
-1
cpp
Accepted
31
16,384
#include<iostream> #include<cstring> using namespace std; int main(){ int n; cin>>n; string a[n]; int a1[101]={}; int c=0; string b; for(int i=0;i<n;i++){ cin>>b; bool m=0; for(int j=0;j<c;j++){ if(b==a[j]){ a1[j]++; m=1;break; } } if(!m){ a[c]=b; a1[c]++; c++; } } int ans=0; for(int i=0;i<n;i++){ cin>>b; bool m=0; for(int j=0;j<c;j++){ if(b==a[j]&&a1[j]>0){ a1[j]--; m=1;break; } } if(!m) ans++; } cout<<ans; return 0; }
codeforces
37
497
57125440
1000A
-1
cpp
Accepted
31
143,360
#include<cstdio> #include<string> #include<iostream> #include<map> using namespace std; map<string,int> q,p; int main(){ int n; scanf("%d",&n); for(int i = 1; i <= n; i++){ string x; cin>>x; q[x]++; } for(int i = 1; i <= n; i++){ string x; cin>>x; p[x]++; } map<string,int>::iterator it; int ans = 0; for(it = q.begin(); it != q.end(); it++){ string s = it -> first; if(q[s] > p[s]) ans += q[s] - p[s]; } printf("%d\n",ans); return 0; }
codeforces
37
497
61087566
1000A
-1
cpp
Accepted
31
12,288
#include<map> #include<cstring> #include<cstdio> #include<algorithm> #include<cmath> #include<iostream> using namespace std; int n; string s[110],s1[110]; map<string,int> a,b; map<string,bool> flag; int cnt; int main() { scanf("%d",&n); for(int i=1;i<=n;i++) cin>>s[i],b[s[i]]++; for(int i=1;i<=n;i++) cin>>s1[i],a[s1[i]]++; for(int i=1;i<=n;i++) { if(flag[s[i]]) continue; flag[s[i]]=1; cnt+=min(a[s[i]],b[s[i]]); } printf("%d\n",n-cnt); return 0; }
codeforces
37
497
77720150
1000A
-1
cpp
Accepted
31
8,192
#include <bits/stdc++.h> using namespace std; int main() { int n,ans=0; string s[110],res; cin>>n; for(int i=0;i<n;i++) cin>>s[i]; for(int i=0;i<n;i++) { cin>>res; bool flag=true; for(int j=0;j<n;j++) if(res==s[j]) { s[j]="res"; flag=false; break; } if(flag) ans++; } cout<<ans; return 0; }
codeforces
37
497
39707110
1000A
-1
cpp
Accepted
31
16,384
#include<bits/stdc++.h> using namespace std; map <string,int> m1,m2; string v[9] = {"M","S","XS","XXS","XXXS","L","XL","XXL","XXXL"}; int a[9]; int main() { int n,sum=0; cin >> n; string s; for(int i=0;i<n;i++) { cin >> s; m1[s] += 1; } for(int i=0;i<n;i++) { cin >> s; m2[s] += 1; } for(int i=0;i<9;i++) { a[i] = abs(m1[v[i]]-m2[v[i]]); sum += a[i]; } if(sum %2==0) cout << sum /2 << endl; else cout << sum/2+1 << endl; return 0; }
codeforces
37
498
39713344
1000A
-1
cpp
Accepted
30
16,384
#include <iostream> #include <cstdio> #include <string> #include <map> std::map<std::string, int>k; std::string p[9] = {"S", "M", "L", "XL", "XXL", "XXXL", "XS", "XXS", "XXXS"}; int main() { int n, ans = 0; std::string s; scanf("%d", &n); for (int i = 1; i <= n; ++i) { std::cin >> s; ++k[s]; } for (int i = 1; i <= n; ++i) { std::cin >> s; --k[s]; } for (int i = 0; i < 9; ++i) { if (k[p[i]] < 0) ans -= k[p[i]]; } std::cout << ans; return 0; }
codeforces
37
498
39715170
1000A
-1
cpp
Accepted
31
20,480
#include <stdio.h> #include <string.h> #include<iostream> #include<string> #include <stdio.h> using namespace std; int main(){ int n,ans; scanf("%d",&n); string last[n+1]; string cur[n+1]; for(int i=1;i<=n;i++){ cin>>last[i]; } for(int i=1;i<=n;i++){ cin>>cur[i]; } int cnt=0; for(int i=1;i<=n;i++){ for(int j=1;j<=n;j++){ if(last[i].compare(cur[j])==0){ cur[j]=" "; cnt+=1; break; } } } ans=n; ans-=cnt; printf("%d\n",ans); }
codeforces
37
498
39725192
1000A
-1
cpp
Accepted
31
8,192
#include<bits/stdc++.h> using namespace std; int main(){ // string chk ={"M","S","L","XS","XL","XXS","XXL","XXXS","XXXL"}; int n; int cnt=0; cin>>n; string arr[105]; string brr[105]; for(int i=0;i<n;i++){ cin>>arr[i]; } for(int i=0;i<n;i++){ cin>> brr[i]; } for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ if(arr[i] == brr[j]){ arr[i] = brr[j] = ""; cnt++; break; } } } cout<<n-cnt<<endl; return 0;}
codeforces
37
498
39814427
1000A
-1
cpp
Accepted
31
28,672
#include<bits/stdc++.h> using namespace std; int main() { int n; cin>>n; string str1[500],str2[500]; for(int i=0;i<n;i++) cin>>str1[i]; for(int i=0;i<n;i++) cin>>str2[i]; sort(str1,str1+n); sort(str2,str2+n); map<string,int> mp; for(int i=0;i<n;i++) mp[str1[i]]++,mp[str2[i]]--; int ans=0; map<string, int> ::iterator it=mp.begin(); for(;it!=mp.end();it++) if(it->second>0) ans+=it->second; printf("%d\n",ans); return 0; }
codeforces
37
498
72021644
1000A
-1
cpp
Accepted
30
151,552
#include<bits/stdc++.h> using namespace std; int main() { int n; cin>>n; vector<string> v1; vector<string> v2; unordered_map<string,int> m1; unordered_map<string,int> m2; for(int i=0;i<n;i++) { string s; cin>>s; v1.push_back(s); m1[s]++; } for(int i=0;i<n;i++) { string s; cin>>s; if(m2[s]==0) v2.push_back(s); m2[s]++; } int ctr=0; for(int i=0;i<v2.size();i++) { string s; s=v2[i]; ctr+=min(m1[s],m2[s]); } cout<<n-ctr; }
codeforces
37
498
72021644
1000A
-1
cpp
Accepted
30
151,552
#include<bits/stdc++.h> using namespace std; int main() { int n; cin>>n; vector<string> v1; vector<string> v2; unordered_map<string,int> m1; unordered_map<string,int> m2; for(int i=0;i<n;i++) { string s; cin>>s; v1.push_back(s); m1[s]++; } for(int i=0;i<n;i++) { string s; cin>>s; if(m2[s]==0) v2.push_back(s); m2[s]++; } int ctr=0; for(int i=0;i<v2.size();i++) { string s; s=v2[i]; ctr+=min(m1[s],m2[s]); } cout<<n-ctr; }
codeforces
37
498
114282328
1000A
-1
cpp
Accepted
31
20,480
#include <iostream> using namespace std; const int t = 101; int n, i, j, cnt = 0; string a[t], b[t]; int main() { cin >> n; for (i = 0; i < n; ++i) cin >> a[i]; for (i = 0; i < n; ++i) cin >> b[i]; for (i = 0; i < n; ++i) { for (j = 0; j < n; ++j) if (a[i] == b[j]) { b[j] = '0'; break; }; if (j == n) ++cnt; }; cout << cnt; }
codeforces
37
498
119455775
1000A
-1
cpp
Accepted
31
8,192
#include<bits/stdc++.h> using namespace std; #define int long long const int N = 2e3 + 5; const int mod = 1e9 + 7; signed main () { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; map<string, int> mp; for (int i = 1; i <= n; i++) { string s; cin >> s; mp[s] += 1; } for (int i = 1; i <= n; i++) { string s; cin >> s; mp[s] -= 1; } int ans = 0; for (auto it: mp) { ans += abs(it.second); } cout << ans / 2; }
codeforces
37
498
122368437
1000A
-1
cpp
Accepted
31
3,747,840
#include <iostream> #include <map> using namespace std; int main() { int n; scanf("%d", &n); map<string, int> x; string size_name; for (int i = 0; i < n; i++) { cin >> size_name; x[size_name]++; } for (int i = 0; i < n; i++) { cin >> size_name; x[size_name]--; } int res = 0; for (auto &[key, value] : x) if (value > 0) res += value; printf("%d", res); return 0; }
codeforces
37
498
39704428
1000A
-1
cpp
Accepted
31
155,648
#include <bits/stdc++.h> using namespace std; #define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define endl "\n" #define int long long const int N=105; int n; string a[N], b[N]; map<string, int> m1, m2; int32_t main() { IOS; cin>>n; for(int i=1;i<=n;i++) { cin>>a[i]; m1[a[i]]++; } for(int i=1;i<=n;i++) { cin>>b[i]; m2[b[i]]++; } int ans=n; for(auto it:m1) { ans-=min(it.second, m2[it.first]); } cout<<ans; return 0; }
codeforces
37
499
39749724
1000A
-1
cpp
Accepted
31
8,192
#include <iostream> #include <string> #include <algorithm> #include <map> #include <set> int main() { int n; std::cin >> n; std::multiset<std::string> set; std::string str; for (int i = 0; i < n; ++i) { std::cin >> str; set.insert(str); } int ans = 0; for (int i = 0; i < n; ++i) { std::cin >> str; if (set.count(str)) set.erase(set.find(str)); } std::cout << set.size(); }
codeforces
37
499
51086255
1000A
-1
cpp
Accepted
15
147,456
#include<iostream> #include<cstdio> #include<cstring> #include<cmath> #include<algorithm> #include<map> using namespace std; string str1,str2; int main() { map<string,int>a,b; int n; while(scanf("%d",&n)!=EOF) { for(int i=0;i<n;i++) { cin>>str1; a[str1]++; } for(int i=0;i<n;i++) { cin>>str2; b[str2]++; } map<string,int>::iterator it; int ans=n; for(it=a.begin();it!=a.end();it++) { ans-=min(it->second,b[it->first]); } printf("%d\n",ans); } return 0; }
codeforces
37
499
51826594
1000A
-1
cpp
Accepted
31
8,192
#include <bits/stdc++.h> using namespace std; #define F first #define S second typedef long long lli; const lli N = 100005 , OO =1110111110111 , mod = 1000000007 , mod2=998244353; int n , sol; map<string , int> all; string s; int main(){ ios_base::sync_with_stdio(0); cin.tie(0);cout.tie(0); cin>>n; for(int i=0;i<2*n;i++) { cin>>s; all[s]+=i<n ?1:-1; } for(auto u : all) sol+=abs(u.S); cout<<sol/2; return 0; }
codeforces
37
499
112039578
1000A
-1
cpp
Accepted
31
8,192
#include<bits/stdc++.h> #define io ios::sync_with_stdio(false); #define int long long #define rep(i, a, n) for(int i=a; i<=n; i++) #define per(i, n, a) for(int i=n; i>=a; i--) using namespace std; const int maxn = 1e3 + 5; const int INF = 0x7fffffff; map<string, int> mp; signed main() { io; int n, m; string s; cin >> n; int ans = 0; rep(i, 1, n) cin >> s, mp[s] ++; rep(i, 1, n) { cin >> s; if(!mp[s]) ans ++; else mp[s] --; } cout << ans << endl; }
codeforces
37
499
39704404
1000A
-1
cpp
Accepted
30
20,480
#include <iostream> #include <algorithm> #include <set> #include <vector> #include <string> #include <cstring> #include <map> // DON'T DIVIDE // Try different approaches using namespace std; int n; map<string, int> m; int main() { ios::sync_with_stdio(0); cin >> n; for(int i = 0; i < n; i++) { string s; cin >> s; m[s]++; } int ans = 0; for(int i = 0; i < n; i++) { string s; cin >> s; if(m[s] > 0) m[s]--; else { ans++; } } cout << ans << "\n"; return 0; }
codeforces
37
500
39705116
1000A
-1
cpp
Accepted
31
12,288
#include<bits/stdc++.h> using namespace std; #define INT_SIZE 32 #define ll long long int #define ff first #define ss second #define mod 1000000007 int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int n; cin>>n; string s; map<string ,int> X; vector<string> A; for(int i=0;i<n;++i) { cin>>s; X[s]++; } int ans=0; for(int i=0;i<n;++i) { cin>>s; if(X[s]>0) X[s]--; else ans++; } cout<<ans<<endl; return 0; }
codeforces
37
500
39705299
1000A
-1
cpp
Accepted
30
106,496
#include <bits/stdc++.h> using namespace std; const int maxn = 1000; string s[maxn]; string s1[maxn]; int f[10][1000]; int main() { int n = 0; cin >> n; for(int i=0;i<n;i++) { cin >> s[i]; int l = s[i].length(); f[l][s[i][l-1]] ++; } for(int i=0;i<n;i++) { cin >> s1[i]; int l = s1[i].length(); f[l][s1[i][l-1]] --; } int res = 0; for(int i=0;i<5;i++) { for(int j=0;j<500;j++) { if (f[i][j] <0) { res += f[i][j]; } } } cout << -res; }
codeforces
37
500
39707382
1000A
-1
cpp
Accepted
31
12,288
#include <map> #include <iostream> using namespace std; int main(){ int n,ans = 0; string s; cin >> n; map<string,int>m; for(int i=0;i<n;++i){ cin >> s; m[s]++; } for(int i=0;i<n;++i){ cin >> s; if(m[s]) m[s]--; else continue; } map<string,int>::iterator it; for(it = m.begin();it!=m.end();++it){ //cout<<it->first<<" "<<it->second<<" \n"; ans += it->second; } cout<<ans<<endl; return 0; }
codeforces
37
500
39710247
1000A
-1
cpp
Accepted
31
8,192
#include<bits/stdc++.h> #define ll long long #define ull unsigned long long #define endl '\n' using namespace std; int main() { int n; cin>>n; string str; map<string,int>mp; for(int i=0 ;i<n ;i++) { cin>>str; mp[str]++; } int cnt=0; for(int i=0 ;i<n ;i++) { cin>>str; if(mp[str]!=0) { mp[str]-=1; } else { cnt++; } } cout<<cnt<<endl; return 0; }
codeforces
37
500
39712426
1000A
-1
cpp
Accepted
30
12,288
#include<bits/stdc++.h> using namespace std; int main() { int n; char aa[110][10],bb[110][10]; int cv[110]; cin>>n; for(int i=0; i<n; i++) cin>>aa[i]; for(int i=0; i<n; i++) cin>>bb[i]; int ans=0; memset(cv,0,sizeof(cv)); for(int i=0; i<n; i++) { for(int j=0; j<n; j++) if(strcmp(aa[i],bb[j])==0&&cv[j]==0) { ans++; cv[j]=1; break; } } if(ans==n) puts("0"); else printf("%d\n",n-ans); }
codeforces
37
500
39726664
1000A
-1
cpp
Accepted
30
4,096
#include <iostream> #include <string> #include <map> #include <vector> #include <algorithm> #include <set> #include <cmath> #include <stack> #include <ctime> using namespace std; int main() { map<string,int>a; int n, ans = 0,go=0; cin >> n; string s,s1; for (int i = 0;i < n;i++) { cin >>s; a[s]++; } for (int i = 0;i < n;i++) { cin >>s; if (a[s]>0) a[s]--; else ans++; } cout << ans; // system("pause"); return 0; }
codeforces
37
500
39766748
1000A
-1
cpp
Accepted
31
8,192
#include<bits/stdc++.h> using namespace std; typedef long long int li; typedef pair<li,li> pii; #define pb(a) push_back(a) int main() { map<string,int> mp; int n; string s; cin>>n; for(int i=0;i<n;i++) { cin>>s; mp[s]++; } for(int i=0;i<n;i++) { cin>>s; mp[s]--; } int ans=0; //vector<string,int>::iterator it; for(std::map<string,int>::iterator it = mp.begin(); it != mp.end(); it++) { ans+=max(0,it->second); } cout<<ans<<endl; return 0; }
codeforces
37
500
39795887
1000A
-1
cpp
Accepted
31
24,576
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<string> A(n), B(n); for (int i=0; i<n; i++) cin >> A[i]; for (int i=0; i<n; i++) cin >> B[i]; sort(A.begin(), A.end()); sort(B.begin(), B.end()); int count = 0; int i=0, j=0; while (i < A.size() && j < B.size()) { if (A[i] == B[j]) { i++; j++; } else if (A[i] < B[j]) { i++; } else { j++; count++; } } while (j < B.size()) { count++; j++; } cout << count << endl; }
codeforces
37
500
40106733
1000A
-1
cpp
Accepted
31
303,104
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; string s; map<char, int> m[4]; map<char, char> t; t['S'] = 'L', t['L'] = 'S'; for (int i = 0; i < n; ++i) cin >> s, ++m[s.size() - 1][*s.rbegin()]; int ans = 0; while (n--) { cin >> s; if (s.size() == 1) m[0][s[0]] ? --m[0][s[0]] : ++ans; else m[s.size() - 1][*s.rbegin()] ? --m[s.size() - 1][*s.rbegin()] : (++ans, --m[s.size() - 1][t[*s.rbegin()]]); } cout << ans << endl; }
codeforces
37
500
45261993
1000A
-1
cpp
Accepted
30
253,952
#include <iostream> #include <vector> #include <string> #include <algorithm> #include <iterator> using namespace std; int main() { int n; cin >> n; vector<string> v(n), w(n); for (int i = 0; i < n; ++i) cin >> v[i]; for (int i = 0; i < n; ++i) cin >> w[i]; sort(v.begin(), v.end()); sort(w.begin(), w.end()); cout << distance(v.begin(), set_difference(v.begin(), v.end(), w.begin(), w.end(), v.begin())) << endl; return 0; }
codeforces
37
500
72569306
1000A
-1
cpp
Accepted
46
151,552
#include<cstdio> #include<iostream> #include<map> #include<string> using namespace std; map<string,int> a; map<string,int> b; int main(){ a.clear(); b.clear(); int n,ans=0; string s[105]; string ss; cin>>n; for(int i=1;i<=n;i++){ cin>>s[i];a[s[i]]++; }for(int i=1;i<=n;i++){ cin>>ss; if(!a[ss]){ ans++; }else{ b[ss]++; } }for(int i=1;i<=n;i++){ if(b[s[i]]-a[s[i]]>0){ ans+=b[s[i]]-a[s[i]]; b[s[i]]=0; } } cout<<ans; return 0; }
codeforces
37
500
81891010
1000A
-1
cpp
Accepted
31
249,856
#include <iostream> #include <map> #include <string> using namespace std; int main() { map <string, int> pre; map <string, int> aft; int n; string tmp; cin>>n; for(int i = 1; i <= n; i++) { cin>>tmp; pre[tmp]++; } for(int i = 1; i <= n; i++) { cin>>tmp; if(pre[tmp] > 0) pre[tmp]--; else { aft[tmp]++; } } int res = 0; map <string, int> :: iterator it; for(it = pre.begin(); it != pre.end(); it++) res += it->second; cout<<res<<endl; }
codeforces
37
500
81891010
1000A
-1
cpp
Accepted
31
249,856
#include <iostream> #include <map> #include <string> using namespace std; int main() { map <string, int> pre; map <string, int> aft; int n; string tmp; cin>>n; for(int i = 1; i <= n; i++) { cin>>tmp; pre[tmp]++; } for(int i = 1; i <= n; i++) { cin>>tmp; if(pre[tmp] > 0) pre[tmp]--; else { aft[tmp]++; } } int res = 0; map <string, int> :: iterator it; for(it = pre.begin(); it != pre.end(); it++) res += it->second; cout<<res<<endl; }
codeforces
37
500
109010607
1000A
-1
cpp
Accepted
15
8,192
#include <bits/stdc++.h> #define maxN 100+5 using namespace std; int main() { int n; cin>>n; string a[maxN],b[maxN]; for(int i=0;i<n;i++)cin>>a[i]; for(int i=0;i<n;i++)cin>>b[i]; int ans=0; for(int i=0;i<n;i++){ bool flag=0; for(int j=0;j<n;j++){ if(b[i]==a[j]){ flag=1; a[j]=""; break; } } if(!flag)ans++; } cout<<ans<<endl; }
codeforces
37
500
39704589
1000A
-1
cpp
Accepted
31
9,629,696
#include<bits/stdc++.h> using namespace std; #define int long long #define mp make_pair #define pb push_back #define pii pair<int,int> #define F first #define S second #define ld long double int const M=2e5+10,M2=1e6+10,mod=1e9+7,mod2=1e9+9,inf=1e18+30; map<string,int>cnt; string b[M],a[M]; int32_t main() { int n,ans=0; cin>>n; for(int i=1;i<=n;i++)cin>>a[i]; for(int i=1;i<=n;i++)cin>>b[i],cnt[b[i]]++; for(int i=1;i<=n;i++) { if(cnt[a[i]]>0)cnt[a[i]]--; else ans++; } cout<<ans; }
codeforces
37
501
39705566
1000A
-1
cpp
Accepted
30
20,480
#include <bits/stdc++.h> using namespace std; const int maxn=111; int n,m,k; string a; map<string,int>G; void Q() { int q=0; for(int i=1;i<=10;i++) { q+=i; } } int main() { scanf("%d",&n); Q(); for(int i=1;i<=n;i++) { cin>>a; G[a]++; } int ans=n; for(int i=1;i<=n;i++) { cin>>a; if(G[a]>0){ G[a]--; ans--; } } printf("%d\n",ans); return 0; }
codeforces
37
501
39707787
1000A
-1
cpp
Accepted
31
16,384
#include <bits/stdc++.h> using namespace std; int main() { int n,i,j; cin>>n; map<int,map<char,int> > mp; for(i=0;i<n;i++) { string str; cin>>str; int x=str.size(); if(mp[x].count(str[x-1])!=0) mp[x][str[x-1]]++; else mp[x][str[x-1]]=1; } int ans=0; for(i=0;i<n;i++) { string str; cin>>str; int x=str.size(); if(mp[x].count(str[x-1])==0 || mp[x][str[x-1]]==0) ans++; else mp[x][str[x-1]]--; } cout<<ans<<endl; }
codeforces
37
501
39724618
1000A
-1
cpp
Accepted
30
12,288
#include<bits/stdc++.h> using namespace std; map<string,int> mp; int main() { int n,k,i,j; scanf("%d",&n); getchar(); for(i=0;i<n;i++) { string a; getline(cin,a); mp[a]++; } int ans = 0; for(i=0;i<n;i++) { string a; getline(cin,a); if(mp[a] == 0) { ans++; } else { mp[a]--; } } printf("%d\n",ans); return 0; }
codeforces
37
501
39725143
1000A
-1
cpp
Accepted
15
4,096
#include<iostream> #include<string> using namespace std; int main() { int n; cin>>n; string a[n],b[n]; for(int i=0;i<n;i++) { cin>>a[i]; } for(int i=0;i<n;i++) { cin>>b[i]; } for(int i=0;i<n;i++) for(int j=0;j<n;j++) if(a[i]==b[j]) { b[j]=""; break; } int count=0; for(int i=0;i<n;i++) if(b[i]!="") count++; cout<<count; return 0; }
codeforces
37
501
40114885
1000A
-1
cpp
Accepted
30
4,096
#include <iostream> using namespace std; int main() { int n,i,j,m,t=0,q=0,k=0; string A[102],B[102]; cin >> n ; m=n; for(i=0;i<n;i++) cin >> A[i] ; for(i=0;i<n;i++) cin >> B[i] ; for(i=0;i<n;i++) { t=0; for(j=0;j<m;j++) if(B[j]==A[i]) { t=1; break; } if(t==1) { for(k=j;k<m;k++) B[k]=B[k+1]; m--; q++; } } cout << n-q; return 0 ; }
codeforces
37
501
50136953
1000A
-1
cpp
Accepted
30
8,192
#include <iostream> #include <map> using namespace std; int n; string s; map<string,int> mp; int res; int main() { cin>>n; for(int i=0;i<n;i++) { cin>>s; mp[s]++; } for(int i=0;i<n;i++) { cin>>s; map<string,int>::iterator it=mp.find(s); if(it!=mp.end() && mp[s]!=0) { mp[s]--; } else { res++; } } cout<<res; return 0; }
codeforces
37
501
51088587
1000A
-1
cpp
Accepted
31
4,096
#include<bits/stdc++.h> #include<string> #include<cstdlib> #include<cmath> #include <algorithm> #include <iomanip> #include <iostream> #include <iterator> using namespace std; map<string,int> m; /*BISHOY MAGDY ADEEB*/ int main(){ int n; cin>>n; string s; for(int i=0;i<n;i++){cin>>s; m[s]++; } int sum=0; for(int i=0;i<n;i++){ cin>>s; if(m.find(s)->second){ m[s]--; sum++; } } cout<<n-sum; return 0; }
codeforces
37
501
112205111
1000A
-1
cpp
Accepted
31
147,456
#include <iostream> #include <map> using namespace std; int main () { ios::sync_with_stdio (false); cin.tie (0); int n; cin >> n; int res = n; map <string, int> cnt1, cnt2; for (int i = 0; i < n; i++) { string s; cin >> s; cnt1[s]++; } for (int i = 0; i < n; i++) { string s; cin >> s; cnt2[s]++; } for (pair <string, int> x : cnt1) { res -= min (x.second, cnt2[x.first]); } cout << res; return 0; }
codeforces
37
501
116014868
1000A
-1
cpp
Accepted
30
4,313,088
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false), cin.tie(nullptr); #ifdef FILE_INPUT freopen(".inp", "r", stdin); freopen(".out", "w", stdout); #endif #define fi first #define se second map<string,int> mpa, mpb; int n, ans; cin >> n; ans = n; vector<string> a(n), b(n); for(auto &x : a) cin >> x, ++mpa[x]; for(auto &x : b) cin >> x, ++mpb[x]; for(auto &x : mpa) ans -= min(x.se, mpb[x.fi]); cout << ans; return 0; }
codeforces
37
501
39704414
1000A
-1
cpp
Accepted
31
12,288
#include <bits/stdc++.h> using namespace std; #define mp make_pair #define pb push_back typedef pair<int, int> ii; typedef long long ll; typedef pair<ll, ll> l4; map<string, int> ma; int main() { int n; cin >> n; for (int d = -1; d <= 1; d += 2) { for (int i = 0; i < n; ++i) { string s; cin >> s; ma[s] += d; } } int ans = 0; for (auto e : ma) ans += abs(e.second); printf("%d\n", ans/2); }
codeforces
37
502
39754390
1000A
-1
cpp
Accepted
31
151,552
#include<iostream> #include<string> #include<map> #include<vector> using namespace std; map<string , int> ok , hey; vector<string> lol; int main (){ int n , ans=0; cin >> n; string s;lol.resize(n); for(int i=0 ; i<n ;i++){cin >> s ; ok[s]++;} for(int i=0 ;i<n ; i++){cin >> lol[i] ; hey[lol[i]]++;} for(int i=0 ;i<n ; i++){ if(!ok[lol[i]])ans++; else if(ok[lol[i]]<hey[lol[i]]){ans+=hey[lol[i]]-ok[lol[i]];hey[lol[i]]=ok[lol[i]]=1;} } printf("%d" , ans); return 0; }
codeforces
37
502
39756916
1000A
-1
cpp
Accepted
31
8,192
#include <iostream> #include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; unordered_map<string, int> umap; string a; for(int i=0; i<n;i++){ cin >> a; if(umap.find(a)==umap.end()){ umap[a]==0; } umap[a]++; } int ans=0; for(int i=0; i<n;i++){ cin >> a; if(umap.find(a)!=umap.end() && umap[a]>0){ umap[a]--; ans++; } } cout << n-ans; return 0; }
codeforces
37
502
39807110
1000A
-1
cpp
Accepted
30
61,440
#include <bits/stdc++.h> using namespace std; #define f first #define s second #define ll long long #define mk make_pair #define pb push_back #define pp pop_back int n; int a = 0; map<string, int> mp; string s[1000], s1[1000]; int main() { cin >> n; for (int i = 0; i < n; ++i) { cin >> s[i]; mp[s[i]]++; } for (int i = 0; i < n; ++i) { cin >> s1[i]; } for (int j = 0; j < n; ++j) { if (mp[s1[j]] == 0) { a++; } else { mp[s1[j]]--; } } cout<<a; }
codeforces
37
502
39982373
1000A
-1
cpp
Accepted
31
303,104
#include <bits/stdc++.h> using namespace std; int arr[100]; vector<int>primes; int main() { int n ; cin >> n ; multiset <string>mp1; string s; for(int i = 0 ; i < n ; i ++) { cin >>s; mp1.insert(s); } int cnt = 0; for(int i = 0 ; i < n ; i ++) { cin >>s; if(mp1.find(s)==mp1.end()) {cnt++;} else mp1.erase(mp1.find(s)); } cout << cnt <<endl; return 0; }
codeforces
37
502
40661767
1000A
-1
cpp
Accepted
31
16,384
#include<cstring> #include<cstdio> #include<iostream> #include<algorithm> #include<cmath> #include<vector> #include<map> using namespace std; typedef long long ll; map <string,int> c1,c2; string s[105],S; int main(){ int n; int ans=0; scanf("%d",&n); for(int i=1;i<=n;i++){ cin>>s[i]; c1[s[i]]++; } for(int i=1;i<=n;i++){ cin>>S; if(!c1[S]) ans++; else c2[S]++; } for(int i=1;i<=n;i++){ if(c2[s[i]]>c1[s[i]]){ ans+=c2[s[i]]-c1[s[i]]; c2[s[i]]=0; } } printf("%d\n",ans); }
codeforces
37
502
41291492
1000A
-1
cpp
Accepted
31
8,192
#include <bits/stdc++.h> #define ll long long #define pb push_back #define mod 1000000007 #define X first #define Y second #define maxn 25 #define INF 999999999 using namespace std; typedef pair<int,int> P; int n; map<string,int> mp; int main(){ scanf("%d",&n); for(int i=0;i<n;i++){ string s; cin>>s; mp[s]++; } int cnt=0; for(int i=0;i<n;i++){ string s; cin>>s; if(mp[s]>0){ cnt++; mp[s]--; } } printf("%d",n-cnt); return 0; }
codeforces
37
502
72574281
1000A
-1
cpp
Accepted
31
12,288
#include<stdio.h> #include<string.h> #include<math.h> #include<stdlib.h> #include<iostream> #include<cstdio> #include<cstring> #include<algorithm> using namespace std; typedef long long ll; string a[105],b[105]; int main() { int n,i,j,t; cin>>n; getchar(); t=n; for(i=0; i<n; i++) cin>>a[i]; for(i=0; i<n; i++) cin>>b[i]; for(i=0; i<n; i++) { for(j=0; j<n; j++) { if(a[i]==b[j]) { b[j]=' '; t--; break; } } } printf("%d\n",t); return 0; }
codeforces
37
502
39709121
1000A
-1
cpp
Accepted
30
12,288
#include <bits/stdc++.h> using namespace std; int main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r" , stdin); freopen("output.txt", "w" , stdout); #endif // ONLINE_JUDGE int n; cin >> n; map<string,int> a2; for(int i=0;i<n;i++){ string x; cin >> x; a2[x]++; } for(int i=0;i<n;i++){ string x; cin >> x; a2[x]--; } int x = 0; for(auto it : a2){ if(it.second>0)x+=it.second; } cout << x; return 0; }
codeforces
37
503
39709807
1000A
-1
cpp
Accepted
30
16,384
#include<cstdio> #include<algorithm> #include<cstring> #include<string> char s1[105][150],s2[105][150]; int n,Min,cnt,b1[105],b2[105],bj,ans,len; int main(){ // freopen(" ","r",stdin); scanf("%d",&n); for (int i=1;i<=n;i++)scanf("%s",s1[i]); for (int i=1;i<=n;i++)scanf("%s",s2[i]); for (int i=1;i<=n;i++){ Min=100000000; bj=0; for (int j=1;j<=n;j++){ if (!strcmp(s1[i],s2[j])&&b2[j]==0){ b2[j]=1; cnt++; break; } } } printf("%d",n-cnt); }
codeforces
37
503
39721712
1000A
-1
cpp
Accepted
30
12,288
#include <bits/stdc++.h> using namespace std; map<string, int> frq; int main() { ios::sync_with_stdio(0); cin.tie(0); int n; cin >> n; for (int i = 0; i < n; ++i) { string x; cin >> x; frq[x]++; } for (int i = 0; i < n; ++i) { string x; cin >> x; frq[x]--; } int sum=0; for(auto i=frq.begin(); i!=frq.end(); i++) { if(i->second>0)sum+=i->second; } cout << sum << endl; return 0; }
codeforces
37
503
40229387
1000A
-1
cpp
Accepted
30
16,384
#include <iostream> using namespace std; int main() { int n,secs = 0; cin>>n; string a[100],b[100]; for(int i=0;i<n;i++) cin>>a[i]; for(int i=0;i<n;i++) cin>>b[i]; int equal = 0; for(int i=0;i<n;i++) { for(int j=0;j<n;j++) { if(a[i]==b[j]) { equal++; b[j]="Z"; break; } } } secs = n-equal; cout<<secs; return 0; }
codeforces
37
503
56880363
1000A
-1
cpp
Accepted
46
12,288
#include <cstdio> #include <cstring> #include <iostream> #include <algorithm> #include <map> using namespace std; int N; string s[] = {"M","S","XS","XXS","XXXS","L","XL","XXL","XXXL"}; map<string,int> a,b,c; bool flag[10] = {0}; int main(){ scanf("%d",&N); for(int i = 1;i <= N;i++){ string tmp; cin>>tmp; a[tmp]++; } for(int i = 1;i <= N;i++){ string tmp; cin>>tmp; if(a[tmp])a[tmp]--; } int ans = 0; for(int i = 0;i <= 8;i++){ ans += a[s[i]]; } printf("%d\n",ans); return 0; }
codeforces
37
503
88271361
1000A
-1
cpp
Accepted
30
4,120,576
#include<bits/stdc++.h> using namespace std; #define ll long long #define ull unsigned long long int main(){ /*int t;cin>>t; while(t--){*/ int n;cin>>n; map<string,int> m; string tmp,tmp1; for(int i=0;i<n;i++){ cin>>tmp; m[tmp]++; } int ans=0; for(int i=0;i<n;i++){ cin>>tmp1; if(m[tmp1])m[tmp1]--; else ans++; } cout<<ans<<endl; //} }
codeforces
37
503
109702759
1000A
-1
cpp
Accepted
31
155,648
#include<iostream> #include<algorithm> #include<cstdio> #include<map> #include<string> #include<set> #include<vector> using namespace std; int main() { //freopen("888.txt","r",stdin); int n;cin >> n; string s; map<string ,int>m1,m2; for(int i=1;i<=n;i++){cin>>s;m1[s]++;}; for(int i=1;i<=n;i++){cin>>s;m2[s]++;}; int ans=n;//总操作数 for(auto it : m1){ ans-=min(it.second,m2[it.first]);//int 一样时 就减少了它们件数 } // 否则 减少它们差值 cout<<ans<<"\n"; return 0; }
codeforces
37
503
39722802
1000A
-1
cpp
Accepted
31
155,648
#include <bits/stdc++.h> using namespace std; int main(){ int n, sol=0; cin >> n; string a; map<string, int> sizes1; map<string, int> sizes2; for(int i=0;i<n;i++){ cin >> a; sizes1[a]++; } for(int i=0;i<n;i++){ cin >> a; sizes2[a]++; } string sizes[]={"XXXL", "XXL", "XL", "L", "M", "S", "XS", "XXS", "XXXS"}; for(int i=0;i<9;i++){ sol+=abs(sizes1[sizes[i]]-sizes2[sizes[i]]); } cout << sol/2; return 0; }
codeforces
37
504
40351007
1000A
-1
cpp
Accepted
31
12,288
#include <bits/stdc++.h> using namespace std; #define neigh(u,e,v) for(int e = head[u], v; v = to[e], ~e; e = nxt[e]) #define inoutfile freopen("input.txt", "rt", stdin);freopen("output.txt", "wt", stdout) int main() { int n; cin >> n; string x; map<string, int> freq; for (int i = 0; i < n; ++i) { cin >> x; freq[x]++; } for (int i = 0; i < n; ++i) { cin >> x; freq[x]--; } int sum = 0; for (auto it : freq) { sum += abs(it.second); } cout << sum / 2; }
codeforces
37
504
116700711
1000A
-1
cpp
Accepted
31
151,552
#include<bits/stdc++.h> using namespace std; int main() { int n,i; cin>>n; string a[n],b[n]; for(i=0;i<n;i++) { cin>>a[i]; } for(i=0;i<n;i++) { cin>>b[i]; } map<string,int> mp; map<string,int>mp1; for(auto i: a) { mp[i]++; } for(auto i: b) { mp1[i]++; } for(auto i: mp1) { n-=min(i.second,mp[i.first]); } cout<<n<<endl; return 0; }
codeforces
37
504
39733160
1000A
-1
cpp
Accepted
31
159,744
#include<bits/stdc++.h> using namespace std; string str[] = {"M","S","L","XS","XL","XXS","XXL","XXXS","XXXL"}; int main() { int n; map<string,int> firstInput; map<string,int> secondInput; cin>>n; string in; for(int i=0;i<n;i++){ cin>>in; firstInput[in]++; } for(int i=0;i<n;i++){ cin>>in; secondInput[in]++; } int ans = 0; for(int i=0;i<9;i++){ int inc = firstInput[str[i]]; int sec = secondInput[str[i]]; ans+=max(inc-sec,0); } cout<<ans<<endl; return 0; }
codeforces
37
505
39758082
1000A
-1
cpp
Accepted
30
24,576
#include<bits/stdc++.h> using namespace std; int main() { int cnt=0; string s; int n,i; cin >> n; map<string,int>mp; vector<string>v; for(i=0;i<n;i++){ cin >> s; mp[s]++; v.push_back(s); } for(i=0;i<n;i++){ cin >> s; mp[s]--; } for(i=0;i<v.size();i++){ s=v[i]; if(mp[s]>0){ cnt+=mp[s]; mp[s]=0; } } cout << cnt << endl; return 0; }
codeforces
37
505
39806732
1000A
-1
cpp
Accepted
31
4,096
//Be Name Khoda :)) #include <bits/stdc++.h> using namespace std; typedef long long ll; const int MN=3e5+100 , mod=1e9+7 ; int n,ans; map<string,int>m; int32_t main() { ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); cin>>n; for(int i=0;i<n;i++){ string s;cin>>s; m[s]++; } for(int i=0;i<n;i++){ string s;cin>>s; if(!m[s]){ ans++; }else{ m[s]--; } } cout<<ans<<"\n"; }
codeforces
37
505
40063871
1000A
-1
cpp
Accepted
31
16,384
#include<iostream> #include"string" using namespace std; int main() { int x; int n=0; bool q = true; string a[100]; string y [100]; cin >> x; for (int i = 0; i < x; i++) { cin >> y[i]; } for ( int j= 0; j <x; j++) { cin >> a[j]; } for (int v = 0; v < x; v++) { q = true; for (int b = 0; b < x; b++) { if (y[v] == a[b]) { q = false; a[b] = " "; break; } } if (q) n++; } cout << n << endl; return 0; }
codeforces
37
505
39706327
1000A
-1
cpp
Accepted
30
8,192
#include <iostream> #include <bits/stdc++.h> #include <unordered_map> using namespace std; int main() { // your code goes here int n; cin>>n; vector< unordered_map<char,int> > maps(4); for(int i=0;i<n;i++) { string s; cin>>s; maps[s.length()-1][s[s.length()-1]]++; } int ans=0; for(int i=0;i<n;i++){ string s; cin>>s; if(maps[s.length()-1][s[s.length()-1]]>0){ maps[s.length()-1][s[s.length()-1]]--; } else{ ans++; } } cout<<ans; return 0; }
codeforces
37
506
39797667
1000A
-1
cpp
Accepted
31
24,576
#include <bits/stdc++.h> using namespace std; using i64 = long long; #define rep(i,s,e) for(int (i) = (s);(i) <= (e);(i)++) map<char,int> A[4]; int main(){ int N; cin >> N; rep(i,0,N - 1){ string s; cin >> s; A[(int)s.size() - 1][s.back()]++; } int ans = 0; rep(i,0,N - 1){ string s; cin >> s; if(A[(int)s.size() - 1][s.back()] > 0){ A[(int)s.size() - 1][s.back()]--; } else{ ans++; } } cout << ans << endl; }
codeforces
37
506
39864148
1000A
-1
cpp
Accepted
30
4,096
#include <iostream> #include <string> using namespace std; int main() { int n; string a[101]; string b[101]; cin >> n; //string tmp; int res = 0; for (int i = 0; i < n; ++i) cin >> a[i]; for (int i = 0; i < n; ++i) cin >> b[i]; bool find = false; for (int i = 0; i < n; ++i) { find = false; for (int j = 0; j < n && !find; ++j) { if (a[i] == b[j]) { find = true; b[j] = ""; } } if (!find) res++; } cout << res; return 0; }
codeforces
37
506
98101396
1000A
-1
cpp
Accepted
31
4,096
#include <bits/stdc++.h> using namespace std; map <string, int> mp1, mp2; string s; int n, ans; signed main () { cin>>n; for (int i = 1; i <= n; i++) { cin>>s; mp1[s]++; } for (int i = 1; i <= n; i++) { cin>>s; mp2[s]++; } map <string, int> :: iterator it; for (it = mp2.begin(); it != mp2.end(); it++) { if (mp1[it -> first] <= (it -> second)) ans += (it -> second) - mp1[it -> first]; } printf ("%d\n", ans); return 0; }
codeforces
37
506
98101396
1000A
-1
cpp
Accepted
31
4,096
#include <bits/stdc++.h> using namespace std; map <string, int> mp1, mp2; string s; int n, ans; signed main () { cin>>n; for (int i = 1; i <= n; i++) { cin>>s; mp1[s]++; } for (int i = 1; i <= n; i++) { cin>>s; mp2[s]++; } map <string, int> :: iterator it; for (it = mp2.begin(); it != mp2.end(); it++) { if (mp1[it -> first] <= (it -> second)) ans += (it -> second) - mp1[it -> first]; } printf ("%d\n", ans); return 0; }
codeforces
37
506
39705522
1000A
-1
cpp
Accepted
31
8,192
#include<bits/stdc++.h> using namespace std; typedef long long ll; int main() { ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); #ifndef ONLINE_JUDGE freopen("in.txt","r",stdin); freopen("out.txt","w",stdout); #endif int n; cin>>n; map<string,int> m; for(int i=0;i<n;i++) { string s; cin>>s; m[s]++; } int ans=0; for(int i=0;i<n;i++) { string s; cin>>s; if(m[s]>0) { m[s]--; } else { ans++; } } cout<<ans; return 0; }
codeforces
37
507
39711767
1000A
-1
cpp
Accepted
30
8,192
#include<bits/stdc++.h> using namespace std; int main(){ int n, sum=0; string str; vector<int> c(9,0); cin >> n; c.resize(n); for(int i=0;i<2*n;i++){ cin >> str; switch(str[str.length()-1]){ case 'S': c[3-str.length()+1]+=1+(i>=n?-2:0); break; case 'M': c[4]+=1+(i>=n?-2:0); break; case 'L': c[5+str.length()-1]+=1+(i>=n?-2:0); break; } } for(int i=0;i<9;i++)sum += (c[i]>=0 ? c[i] : -c[i]); cout << sum/2 << endl; return 0; }
codeforces
37
507
39715074
1000A
-1
cpp
Accepted
15
24,576
#include<iostream> using namespace std; #include <string> #include <algorithm> string arr1[101]; string arr2[101]; int main() { short n,cnt=0; bool flag=false; cin>>n; for(int i=0;i<n;i++) { cin>>arr1[i]; } for(int i=0;i<n;i++) { cin>>arr2[i]; } for(int i=0;i<n;i++) { for(int j=0;j<n;j++) { if(arr2[i]==arr1[j]) { arr1[j]="0"; flag=true; break; } } if(flag==false) { cnt++; } else flag=false; } cout<<cnt; }
codeforces
37
507
39705044
1000A
-1
cpp
Accepted
30
16,384
#include <bits/stdc++.h> using namespace std; long long n, j, i, ans; string a[101], b[101]; int main() { cin >> n; for (i=1; i<=n; i++) cin >> a[i]; for (i=1; i<=n; i++) cin >> b[i]; for (i=1; i<=n; i++) for (j=1; j<=n; j++) if (a[i]==b[j] && a[i]!="-1") { a[i]="-1"; b[j]="-1"; } for (i=1; i<=n; i++) if (a[i]!="-1") ans++; cout << ans; return 0; }
codeforces
37
508
39705152
1000A
-1
cpp
Accepted
30
8,192
#include<iostream> #include<algorithm> #include<cmath> #include<map> #include<vector> #include<set> #include<iomanip> #include<fstream> #include<string> using namespace std; map<string, int> m; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, ans = 0; cin >> n; string s; for (int i = 0; i < n; i++) { cin >> s; m[s]++; } for (int i = 0; i < n; i++) { cin >> s; if (m[s]) m[s]--; else ans++; } cout << ans; return 0; }
codeforces
37
508
39706606
1000A
-1
cpp
Accepted
30
49,152
#include <cstdio> #include <iostream> using namespace std; string s; int a[55][45]={0},b[55][45]={0}; int g[1550]; int Abs(int a) {return a<0?-a:a;} int main() { int n,ans=0,i; scanf("%d",&n); g['S']=1; g['M']=2; g['L']=3; for(i=1;i<=n;i++){ cin>>s; a[s.length()][g[s[s.length()-1]]]++; } for(i=1;i<=n;i++){ cin>>s; b[s.length()][g[s[s.length()-1]]]++; } for(i=1;i<=4;i++) for(int j=1;j<=3;j++) ans+=Abs(a[i][j]-b[i][j]); printf("%d",ans>>1); return 0; }
codeforces
37
508
39724716
1000A
-1
cpp
Accepted
30
4,096
#include<bits/stdc++.h> #define pb push_back #define mp make_pair using namespace std; int main(){ int n; cin>>n; map<string,long long>m; for(int i = 0; i < n; i++){ string tem; cin>>tem; m[tem]++; } for(int i = 0; i < n; i++){ string tem; cin>>tem; m[tem]--; } auto i = m.begin(); int ans = 0; for( ; i != m.end();i++){ if(i->second>0) ans += i->second; } cout<<ans; }
codeforces
37
508
39746744
1000A
-1
cpp
Accepted
31
4,096
#include<bits/stdc++.h> #define mod 100000000000007 using namespace std; typedef long long int ll; typedef pair<int,int> pi; map<string,int> ms; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int n,ans=0; string s; cin>>n; for (int i=1;i<=n;i++) { cin>>s; ms[s]++; } for (int i=1;i<=n;i++) { cin>>s; if (ms[s]) { ms[s]--; } else ans++; } cout<<ans; }
codeforces
37
508
39713081
1000A
-1
cpp
Accepted
31
8,192
#include <bits/stdc++.h> #define mod 1000000007 #define fast ios:: sync_with_stdio(false); cin.tie(0); cout.tie(0); #define rep(i,a,b) for(int i=a;i<b;i++) #define ll long long using namespace std; int main() { fast map<string,int> a; int n; cin>>n; string s; rep(i,0,n){ cin>>s; a[s]++; } int ans=0; rep(i,0,n){ cin>>s; if(a[s]==0) ans++; else a[s]--; } cout<<ans<<endl; }
codeforces
37
509
39713090
1000A
-1
cpp
Accepted
31
24,576
#include<iostream> #include<cstring> using namespace std; int main(){ int n; cin>>n; int sum=0; string a[n+1]; string b[n+1]; string m; int f=0; for(int i=1;i<=n;i++) { cin>>a[i]; } for(int i=1;i<=n;i++) { cin>>b[i]; } int ans=0; for(int i=1;i<=n;i++) { for(int j=1;j<=n;j++) { if(a[i]==b[j]) { ans++; a[i]="XXXXXXXXXXXXXXXXXXX"; b[j]="XXXXXXXXXXXXXXXXX"; } } } ans=n-ans; cout<<ans<<endl; return 0; }
codeforces
37
509
39723472
1000A
-1
cpp
Accepted
30
155,648
#include<bits/stdc++.h> #define ll long long int #define pb push_back using namespace std; bool compare(string &s1,string &s2) { return s1.size() < s2.size(); } int main() { ll n,i,ans=0,len,j; cin>>n; string sp; multiset<string> s1,s2; for(i=0;i<n;i++) { cin>>sp; s1.insert(sp); } for(i=0;i<n;i++) { cin>>sp; if((s1.find(sp)!=s1.end())) { s1.erase(s1.find(sp)); } } cout<<int(s1.size()); return 0; }
codeforces
37
509
39728680
1000A
-1
cpp
Accepted
30
151,552
#include <bits/stdc++.h> using namespace std; #define ll long long #define debug(x) cerr << fixed << #x << " is " << x << endl; int main() { ios::sync_with_stdio(false); cin.tie(NULL); int n; cin >> n; multiset<string> porra; for(int i = 0; i < n; i++) { string s; cin >> s; porra.insert(s); } int ans = 0; for(int i = 0; i < n; i++) { string s; cin >> s; auto it = porra.find(s); if(it == porra.end()) ans++; else porra.erase(it); } cout << ans << endl; return 0; }
codeforces
37
509
102985708
1000A
-1
cpp
Accepted
31
12,288
#include <bits/stdc++.h> using namespace std; #define ll long long #define point pair<int, int> inline int input() { int x; scanf("%d", &x); return x; } int main() { #ifndef ONLINE_JUDGE freopen("file.in", "r", stdin); #endif int n = input(); map<string, int> mp; string s; int ans = 0; for (int i = 0; i < n; i++) { cin >> s; mp[s]++; } for (int i = 0; i < n; i++) { cin >> s; if (mp[s]) mp[s]--; else ans++; } cout << ans << endl; }
codeforces
37
509
115127136
1000A
-1
cpp
Accepted
31
147,456
#include <iostream> #include <map> #include <string> #include <cstdlib> #include <algorithm> int main() { int n; std::map<std::string, int> m1, m2; std::string s; std::cin >> n; for (int i = 0; i < n; i++) { std::cin >> s; m1[s]++; } for (int i = 0; i < n; i++) { std::cin >> s; m2[s]++; } for (auto s : m1) { n -= std::min(s.second, m2[s.first]); } std::cout << n << std::endl; }
codeforces
37
509
39710373
1000A
-1
cpp
Accepted
31
20,480
#include <bits/stdc++.h> using namespace std; typedef long long int ll; int main() { ll n; cin>>n; map<string ,int> m; vector<string> v1,v2; for(ll i=0;i<n;i++) { string s; cin>>s; if(m.count(s)==0) m[s]=1; else m[s]++; } ll c=0; for(ll i=0;i<n;i++) { string s; cin>>s; if(m.count(s)!=0 && m[s]>0) {m[s]--; c++; } else v2.push_back(s); } cout<<v2.size()<<endl; return 0; }
codeforces
37
510
39722247
1000A
-1
cpp
Accepted
31
16,384
#include <bits/stdc++.h> using namespace std; int main() { int n,cnt=0; cin>>n; map<string,int>mp; mp.clear(); int visit[n+1]; for(int i=0;i<=n;i++) visit[i]=0; for(int i=0;i<n;i++) { string s; cin>>s; mp[s]++; } for(int i=0;i<n;i++) { string s; cin>>s; if(mp[s]>0) { mp[s]--; visit[i]=1; } } for(int i=0;i<n;i++) { if(visit[i]==0) { cnt++; } } cout<<cnt; return 0; }
codeforces
37
510
39754870
1000A
-1
cpp
Accepted
30
12,288
#include<bits/stdc++.h> using namespace std; int n; string s; vector<string>v[107]; int main(){ cin>>n; for (int i=0;i<n;i++){ cin>>s; v[s.size()].push_back(s); } int sum=0; for (int i=0;i<n;i++){ cin>>s; int x=s.size(); bool b=0; int j; for ( j=0;j<v[x].size();j++){ if (s==v[x][j]){b=1;break;} } if (!b){sum++;} else {v[x][j]="";} } cout<<sum; return 0; }
codeforces
37
510
39766711
1000A
-1
cpp
Accepted
30
147,456
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<string> a(n), b(n); for(int i=0;i<n;i++) cin >> a[i]; for(int i=0;i<n;i++) cin >> b[i]; map<string, int> Hash, Hash1; for(int i=0;i<n;i++) { Hash[a[i]]++; Hash1[b[i]]++; } int Ans(0); for(auto it=Hash.begin();it!=Hash.end();it++) { if(Hash1.find(it->first)==Hash1.end()) Ans += it->second; else Ans += max(0, it->second - Hash1[it->first]); } cout << Ans << endl; return 0; }
codeforces
37
510
40182061
1000A
-1
cpp
Accepted
30
159,744
#include<iostream> #include<map> #include<cstdlib> using namespace std; string S[9] = {"XXXS", "XXS", "XS", "S", "M", "L", "XL", "XXL", "XXXL"}; int main(){ int n; cin >> n; string s; map<string,int> M1,M2; for(int i = 0; i < n; i++){ cin >> s; M1[s]++; } for(int i = 0; i < n; i++){ cin >> s; M2[s]++; } int ans = 0; for(int i = 0; i < 9; i++){ ans += abs(M1[S[i]] - M2[S[i]]); } cout << ans/2 << endl; return 0; }
codeforces
37
510
44940622
1000A
-1
cpp
Accepted
31
8,192
#include<cstdio> #include <iostream> #include <map> #include <sstream> #include <string> #include <vector> #include <algorithm> #include <functional> using namespace std; int n,ans; char a[105][20],b[105][20]; int main() { map<string,int>mm; scanf("%d",&n); for(int i=1;i<=n;i++) { scanf("%s",&a[i]); mm[a[i]]++; } for(int i=1;i<=n;i++) { scanf("%s",&b[i]); if(mm[b[i]]) mm[b[i]]--; else ans++; } printf("%d\n",ans);; return 0; }
codeforces
37
510
49955747
1000A
-1
cpp
Accepted
46
155,648
#include<bits/stdc++.h> #include<iostream> using namespace std; # define ll long long int main() { int n; cin>>n; map<string,int>m1; std::map<string, int> m2; for(int i=1;i<=n;i++) { string str; cin>>str; m1[str]++; } for(int i=1;i<=n;i++) { string str; cin>>str; m2[str]++; } int sum=0; std::map<string,int>::iterator it; for(it=m2.begin();it!=m2.end();it++) { if(it->second>m1[it->first]) sum+=it->second-m1[it->first]; } printf("%d\n",sum); }
codeforces
37
510