题解 | 矩阵转置

#include <stdio.h>

int main() {
    int a, b;
    while (scanf("%d %d", &a, &b) != EOF) { 
            int arr[a][b];
        for (int i = 0; i < a; i++) {
            for (int j = 0; j < b; j++) {

                scanf("%d", &arr[i][j]);
            }

        }

        for (int i = 0; i < b; i++) {
            for (int j = 0; j < a; j++) {

                printf("%d ", arr[j][i]);
            }
             printf("\n");
        }


    }



}