题解 | 矩阵转置

#include <stdio.h>

int main() {
    int n = 0;
    int m = 0;
    scanf("%d %d", &n, &m);
    int i = 0;
    int j = 0;
    int arr[n][m];
    for (i = 0; i < n; i++) {
        for (j = 0; j < m; j++) {
            scanf("%d", &arr[i][j]);
        }
    }
    for(i = 0; i < m; i++){
        for(j = 0; j < n; j++){
            printf("%d ", arr[j][i]);
        }
        printf("\n");
    }
    return 0;
}