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  1. #include <iostream>
  2. using namespace std;
  3. bool yes(int a){
  4. 	if(a==0||a==1)return true;
  5. 	for(int i=2;i<a;i++){
  6. 		if(a%i==0)return true;
  7. 	}
  8. 	return false;
  9. }
  10. int main() {
  11. 	int n,c=0,cc=0;
  12. 	cin>>n;
  13. 	int* a=new int[n*n];
  14. 	for(int i=0;i<n*n;i++){
  15. 		cin>>a[i];
  16. 		int su=0;
  17. 		if(c<n){
  18. 			c++;
  19. 			su+=a[i];
  20. 			if(c==n){
  21. 				c=0;
  22. 				cc++;
  23. 				if(yes(su)){
  24. 					cout<<cc<<" ";
  25. 				}
  26. 				su=0;
  27. 			}
  28. 		}
  29. 	}
  30. 	delete[] a;
  31. 	return 0;
  32. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/C5jBee
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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