题解 | #明明的随机数#

#include<stdio.h>

int main(){
    int N = -1;
    int b = -1;
    while(scanf("%d",&N)!=EOF){
        int count[1000]={0};
        for(int i = 0;i<N;i++){
            scanf("%d",&b);
            count[b]=1;
            //用桶排序的思想
        }
        
        for(int i = 0;i<1000;i++){
            if(count[i]==1){
                printf("%d\n",i);
            }
        }
    }
}