fork download 
  1. #include <iostream>
  2. using namespace std;
  3. int main()
  4. {
  5.         ios::sync_with_stdio(false);
  6.         cin.tie(nullptr);
  7.  
  8.         int n, m;
  9.         cin >> n >> m;
  10.  
  11.         long long a[200005], pref[200006], b[200005];
  12.  
  13.         pref[0] = 0;
  14.         for (int i = 1; i <= n; i++) {
  15.             cin >> a[i];
  16.             pref[i] = pref[i - 1] + a[i];
  17.         }
  18.         for (int j = 0; j < m; j++) cin >> b[j];
  19.  
  20.         int f = 1;
  21.         for (int j = 0; j < m; j++) {
  22.             while (f <= n && pref[f] < b[j]) f++;
  23.             long long k = b[j] - pref[f - 1];
  24.             cout << f << " " << k << "\n";
  25.         }
  26.         return 0;
  27.     }
Success #stdin #stdout 0s 5584KB
comments (?)
stdin 
5 2
1 2 3 4 5
stdout 
1 0
1 0
https://ideone.com/T7sf5i
language:
C++14 (clang 8.0)
created:
3 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!