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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. const int maxn=1e6+14;
  4. long long n, s, pre[maxn];
  5. void solve(){
  6. 	cin >> n >> s;
  7. 	pre[0] = 0;
  8. 	unordered_map < long long , int > m;
  9. 	for (int i = 1; i <= n; i++){
  10. 		int x;
  11. 		cin >> x;
  12. 		pre[i] = pre[i - 1] + x;
  13.         if (m[pre[i]] == 0)	m[pre[i]] = i;
  14. 	}
  15.  
  16.     m[0] = 0;
  17.     for (int i = 1; i <= n; i++) {
  18.         for (int j = 0; j < i; j++){
  19.             if (pre[i] - pre[j] == s){
  20.                 cout << "YES" << endl << j + 1 << ".." << i ;
  21.                 return ;
  22.             }
  23.         }
  24.     }
  25.  
  26.     cout << "NO";
  27. 	return;
  28. }
  29. int main(){
  30. 	ios_base::sync_with_stdio(0);
  31. 	cin.tie(0);    cout.tie(0);
  32.     if (fopen("input.txt","r")){
  33.         freopen("input.txt","r",stdin);
  34.         freopen("output.txt","w",stdout);
  35.     }
  36. 	solve();
  37. 	return 0;
  38. }
  39.  
Success #stdin #stdout 0.01s 5280KB
comments (?)
stdin
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Standard input is empty
stdout
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NO
https://ideone.com/5fo2hW
language:
C++14 (gcc 8.3)
created:
6 hours ago
visibility:
public

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