题解 | #小乐乐与序列#
小乐乐与序列
https://www.nowcoder.com/practice/9a1c1c764ce04fed8ceff7714e74d3b6
#include <stdio.h> int main() { long long n = 0; scanf("%lld",&n); int arr[100001] = {0}; for(int i = 0;i < n;i++) { int tmp = 0; scanf("%d",&tmp); arr[tmp]++; } for(int i = 0;i <= n;i++) { if(arr[i] > 0) { printf("%d ",i); } } return 0; }