题解 | #明明的随机数#

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

int main() {
    int n;
    int a;

    while(~scanf("%d",&n)){
        int count[1001] = {0};//弄一个空的厕所
        int i;
        for (i = 0; i<n; i++){

            scanf("%d",&a);
            count[a] = 1;
        }
        for(i = 0;i<1001;i++){

            if (count[i] == 1){

                printf("%d\n",i);//把索引输出
            }
        }

    }
    



}