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  1. //ssenseeeeeeeeeeeeeeeeeeeeeeeeeeeee
  2. #include<bits/stdc++.h>
  3. #define startt ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
  4. typedef unsigned long long ull;
  5. typedef long long  ll;
  6. #define MOD 1000000007
  7. #define MX 1000000000
  8. #define MXL 1000000000000000000
  9. #define PI 3.14159265
  10. #define pb push_back
  11. using namespace std;
  12. #define sc second
  13. #define endl '\n'
  14. #define fr first
  15.  
  16. int main(){
  17.     startt
  18.     int n,m;
  19.     cin >> n >> m;
  20.     ll a[n+1];
  21.     for(int i = 1;i <=n;i++)
  22.         cin >> a[i];
  23.     ll prefixSum[n+1];
  24.     prefixSum[0] = 0;
  25.     prefixSum[1] = a[1];
  26.     for(int i = 2;i <= n;i++)
  27.         prefixSum[i] = prefixSum[i-1] + a[i];
  28.     int b[m+1];
  29.     for(int i = 0; i < m; i++)
  30.     {
  31.         cin >> b[i];
  32.     }
  33.     for(int i = 0; i< m;i++)
  34.     {
  35.         int bb = b[i];
  36.         int l = 0, r = n;
  37.         int ans = n;
  38.         while(l<=r)
  39.         {
  40.             int mid = l + (r - l) / 2;
  41.             if(prefixSum[mid] >= bb)
  42.             {
  43.                 ans = mid;
  44.                 r = mid - 1;
  45.             }else{
  46.                 l = mid + 1;
  47.             }
  48.         }
  49.         if(prefixSum[ans] > bb)
  50.             ans--;
  51.         cout << ans << " ";
  52.     }
  53. }
  54.  
Runtime error #stdin #stdout 0s 4456KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/1DCK0b
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

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