题解 | #提取不重复的整数#
提取不重复的整数
https://www.nowcoder.com/practice/253986e66d114d378ae8de2e6c4577c1
#include <iostream>
#include <set>
using namespace std;
int main() {
int n;
cin >> n;
int tem[10] = {0};
while(n > 0){
int single = n % 10;
n /= 10;
if (tem[single] == 0){
cout << single;
tem[single] = 1;
}
}
return 0;
}
