File size: 473 Bytes
c4b0eef |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 |
#include <iostream>
#include<stdio.h>
#include<math.h>
#define ld long double
#define m 100000007
using namespace std;
void check(ld a1,ld a2,ld a3){
if(2*a2==(a1+a3)&&(a1!=0)&&(a2!=0)&&(a3!=0))
cout<<"AP"<<" "<<a3+(a3-a2)<<endl;
else if(a2==sqrt(a1*a3)&&(a1!=0)&&(a2!=0)&&(a3!=0))
cout<<"GP"<<" "<<a3*(a3/a2)<<endl;
}
int main() {
ld a1,a2,a3;
cin>>a1>>a2>>a3;
while(a1!=0 || a2!=0 || a3!=0){
check(a1,a2,a3);
cin>>a1>>a2>>a3;
}
return 0;
|