题解 | #争夺前五名#

#include <stdio.h>

int main() {
    int n;
    while (scanf("%d", &n) != EOF) { // 注意 while 处理多个 case
        // 64 位输出请用 printf("%lld") to
        int arr[100] = {0};
        int i = 0;
        int max_index = 0;
        int tmp = 0;
        for (i = 0; i < n; i++) {//接收成绩
            scanf("%d", &arr[i]);
        }
        for (int k = 0; k < 5; k++) {
            max_index = k;
            for (i = k+1; i < n; i++) {
                max_index = arr[max_index] > arr[i] ? max_index :
                            i; //max_index为最大值的下标
            }
            tmp = arr[k];
            arr[k] = arr[max_index];
            arr[max_index] = tmp;
        }

        for(i=0;i<5;i++)
        {
            printf("%d ",arr[i]);
        }
    return 0;
}
}