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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5.  
  6.  
  7. const int maxn = 1e5 + 5;
  8.  
  9.  
  10. int n;
  11. long long s;
  12. long long pre[maxn];
  13. signed main() {
  14.     cin.tie(0) -> sync_with_stdio(0);
  15.  
  16.     cin >> n >> s;
  17.  
  18.     for (int i = 1; i <= n; ++i) {
  19.         int x; cin >> x;
  20.         pre[i] = pre[i - 1] + x;
  21.     }
  22.  
  23.  
  24.     int ans = 1e9;
  25.  
  26.  
  27.     int l = 1, r = 1;
  28.     while (l <= n && r <= n) {
  29.         while (r <= n && pre[r] - pre[l - 1] < s) ++r;
  30.  
  31.         ans = min(ans, r - l + 1);
  32.  
  33.         ++l;
  34.     }
  35.  
  36.     cout << ans;
  37.  
  38.     return 0;
  39. }
Success #stdin #stdout 0s 5292KB
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stdin
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10 17
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stdout
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2
https://ideone.com/6dV67b
language:
C++14 (gcc 8.3)
created:
7 days ago
visibility:
public

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