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- #include <iostream>
- using namespace std;
- int main() {
- int n, m;
- cin >> n >> m;
- int matrix[n][m];
- for (int i = 0; i < n; i++) {
- for (int j = 0; j < m; j++) {
- matrix[i][j] = rand() % 100;
- }
- }
- for (int i = 0; i < n; i++) {
- for (int j = 0; j < m; j++) {
- cout << matrix[i][j] << " ";
- }
- cout << endl;
- }
- int i, j;
- cin >> i >> j;
- for (int k = 0; k < n; k++) {
- int temp = matrix[k][i];
- matrix[k][i] = matrix[k][j];
- matrix[k][j] = temp;
- }
- for (int i = 0; i < n; i++) {
- for (int j = 0; j < m; j++) {
- cout << matrix[i][j] << " ";
- }
- cout << endl;
- }
- return 0;
- }
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