fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.   int arr[1000 * 1000], n, m, result = 0;
  6.   cin >> n >> m;
  7.   for (int i = 0; i < n; i++)
  8.     for (int j = 0; j < m; j++)
  9.       arr[i * m + j] = i * m + j;
  10.   for (int j = 0; j < m; j++) 
  11.     for (int i = 0; i < n; i++) 
  12.       if (arr[i * m + j] == j * n + i) result++;
  13.   cout << result << "\n";
  14. }
Success #stdin #stdout 0s 19016KB
comments (?)
stdin
copy 
3 3
stdout
copy 
3
https://ideone.com/pW40Nv
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
secret

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!