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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <iterator>
  4. using namespace std;
  5.  
  6. int main() {
  7.     const size_t N = 3;
  8.     int m[N][N] = {
  9.         {1, 2, 3},
  10.         {4, 7, 2},
  11.         {8, 2, 5}
  12.     };
  13.  
  14.     for (size_t i = 0; i < N; ++i) {
  15.         int* mx = max_element(m[i], m[i] + N);
  16.         swap(m[i][i], *mx);
  17.         copy(m[i], m[i] + N, ostream_iterator<int>(cout, "  "));
  18.         cout << endl;
  19.     }
  20. }
Success #stdin #stdout 0.01s 2680KB
comments (?)
stdin 
Standard input is empty
stdout 
3  2  1  
4  7  2  
5  2  8
https://ideone.com/wANKRV
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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