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 num, a;
int count[10] = {0};
scanf("%d", &num);
while (num > 0)
{
a = num % 10;
if (!count[a])
{
count[a] = 1;
printf("%d", a);
}
num /= 10;
}
return 0;
}
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