Ŀ

գҪıйص䡣
һ repeat (0<repeat<10) repeat 㣺
һ n (1<n<=10) n СֵһֵһȻ n 
ʾΪ˵

3         (repeat=3) 
5         (n=5) 
8 2 5 1 4
4         (n=4) 
1 5 6 7
5         (n=5) 
5 4 3 2 1 

After swap: 1 2 5 4 8
After swap: 1 5 6 7
After swap: 1 4 3 2 5



#include <stdio.h>
int main(void)
{
    int i, index, n, t;
    int repeat, ri;
    int a[10];

    scanf("%d", &repeat);
    for(ri = 1; ri <= repeat; ri++){
        scanf("%d", &n);
        for(i = 0; i < n; i++)
            scanf("%d", &a[i]);
/*---------*/
        printf("After swap: ");
        for(i = 0; i < n; i++) 
            printf("%d ", a[i]);
        printf("\n");
    }
}
