题解 | #单组_二维字符数组#

#include <stdio.h>
#include <stdlib.h>

int main() {
    int n, m;
    scanf("%d %d", &n, &m);  

    char** s = (char**)malloc(n * sizeof(char*));

    for (int i = 0; i < n; i++) {
        s[i] = (char*)malloc((m + 1) * sizeof(char));  
    }

    // Read characters into the 2D array in the correct positions for diagonal reversal
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            scanf(" %c", &s[n - i - 1][m - j - 1]);  // Place directly in the reversed position
        }
    }
    for (int i = 0; i < n; i++) {
        printf("%s\n", s[i]); 
    }

    for (int i = 0; i < n; i++) {
        free(s[i]);
    }
    free(s);

    return 0;
}