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 <stdio.h>
int main() {
int a, b[10]={0};
scanf("%d", &a);
while(a>0)
{
int i = a%10;
if(!b[i])
{
b[i] = 1;
printf("%d", i);
}
a /= 10;
}
return 0;
}
