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  1. #include<iostream>
  2.  
  3. using namespace std;
  4.  
  5. class whatsNext {
  6.  
  7.     public:
  8.         int checkGp(int a,int b,int c);
  9.         int checkAp(int a,int b,int c);
  10. };
  11. int whatsNext :: checkAp(int a,int b, int c) {
  12.     int k = 0;
  13.     if(2*b == a+c) {
  14.         k = c + (c-b);
  15.     }
  16.     return k;
  17. }
  18. int whatsNext :: checkGp(int a,int b,int c) {
  19.     int k = 0;
  20.     if(b*b == a*c) {
  21.         k = c * (c/b);
  22.     }
  23.     return k;
  24. }
  25.  
  26. int main() {
  27.     whatsNext w;
  28.     int a,b,c;
  29.  
  30.     while(cin>>a>>b>>c){
  31.  
  32.         if(a == 0 && b == 0 && c == 0) {
  33.             break;
  34.         }
  35.         else if(w.checkAp(a,b,c)){
  36.  
  37.             cout<<"AP"<<" "<<w.checkAp(a,b,c);
  38.             cout<<endl;
  39.         }
  40.         else {
  41.             cout<<"GP"<<" "<<w.checkGp(a,b,c);
  42.             cout<<endl;
  43.         }
  44.     }
  45. }
  46.  
Success #stdin #stdout 0s 3460KB
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https://ideone.com/VG13ZV
problem ACPC10A, based on SPOJ submission 15094391 (C++14), 2015-09-09 14:57:01
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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