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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. using  ll = long long;
  4. void solve(){
  5. 	int n;
  6. 	cin>>n;
  7.  
  8. 	vector <ll> a(n);
  9.  
  10. 	for(int i = 0; i< n; i++){
  11. 		cin>>a[i];
  12. 	}
  13.  
  14. 	ll prod1 =1;
  15. 	ll prod2 =1;
  16. 	ll k =0;
  17.  
  18. 	for(int i = 0 ;i < n ; i++){
  19. 		prod1 = prod1 *a[i];
  20. 		for(int j = i+1 ;j < n ; j++){
  21. 			prod2 = prod2 *a[j];
  22. 		}
  23.  
  24. 		cout<<"prod 1 :"<<prod1<<endl;
  25. 		cout<<"prod 2 :"<<prod2<<endl;
  26. 		if(prod1 ==prod2){
  27. 			cout<<i+1<<endl;
  28. 			return;
  29. 		}
  30.  
  31. 		prod2 =1;
  32.  
  33. 	}
  34.  
  35. 	cout<<-1<<endl;
  36.  
  37.  
  38.  
  39.  
  40. }
  41.  
  42.  
  43.  
  44. int main() {
  45. 	int t;
  46. 	cin>>t;
  47. 	while(t--){
  48. 		solve();
  49. 	}
  50. 	return 0;
  51. }
Success #stdin #stdout 0s 5264KB
comments (?)
stdin
copy 
3
6
2 2 1 2 1 2
3
1 2 1
4
1 1 1 1
stdout
copy 
prod 1 :2
prod 2 :8
prod 1 :4
prod 2 :4
2
prod 1 :1
prod 2 :2
prod 1 :2
prod 2 :1
prod 1 :2
prod 2 :1
-1
prod 1 :1
prod 2 :1
1
https://ideone.com/Ry0HAi
language:
C++ (gcc 8.3)
created:
12 days ago
visibility:
public

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