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- #include <iostream>
- using namespace std;
- int main() {
- int n, m;
- cin >> n >> m;
- int mat[n][m];
- for(int i = 0; i < n; i++) {
- for(int j = 0; j < m; j++) {
- cin >> mat[i][j];
- }
- }
- int p, q;
- cin >> p >> q;
- for(int i = 0; i < n; i++) {
- swap(mat[i][p], mat[i][q]);
- }
- for(int i = 0; i < n; i++) {
- for(int j = 0; j < m; j++) {
- cout << mat[i][j] << " ";
- }
- cout << endl;
- }
- return 0;
- }
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