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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int n, m;
  6.     cin >> n >> m;
  7.     int a[100][100]; 
  8.     for (int i = 0; i < n; ++i) {
  9.         for (int j = 0; j < m-1; ++j) {
  10.             a[i][j] = -1;
  11.         }
  12.     }
  13.     for (int i = 0; i < n; ++i) {
  14.         a[i][m - 1] = m;
  15.     }
  16.     cout<<m-1<<endl;
  17.     for (int i = 0; i < n; ++i) {
  18.         for (int j = 0; j < m; ++j) {
  19.             cout << a[i][j] << " ";
  20.         }
  21.         cout << endl;
  22.     }
  23.     return 0;
  24. }
  25.  
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
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3 4
stdout
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3
-1 -1 -1 4 
-1 -1 -1 4 
-1 -1 -1 4
https://ideone.com/NCXsHU
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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