题解 | 多组_带空格的字符串_T组形式

#include <stdio.h>


int main() {
    int t, x = 0;
    scanf("%d\n", &t);

    for (int i = 0; i < t; i++) {
        x=0;
        int n = 0;
        scanf("%d\n", &n);
        char s;
        char arr[n];
        for (int j = 0; j < n; j++) {
            scanf("%c", &s);
            if (s == ' ') continue;
            arr[x] = s;
            x++;
        }

        for (int k = x - 1; k >= 0; k--) {
            printf("%c", arr[k]);
        }
        printf("\n");
    }

    return 0;
}