C语言 将一个二维数组行和列的元素互换，存到另一个二维数组中

//
// Created by Lan on 2022/11/9.
//

#include 

int main() {
    int arr[3][3] = {{1, 2, 3},
                     {4, 5, 6},
                     {7, 8, 9}};
    int result[3][3];
    for (int i = 0; i < 3; ++i) {
        for (int j = 0; j < 3; ++j) {
            result[i][j] = arr[3 - j - 1][i];
            printf("%d\t", result[i][j]);
        }
        printf("\n");
    }
    return 1;
}