题解 | #小乐乐改数字#
小乐乐改数字
https://www.nowcoder.com/practice/fcd30aac9c4f4028b23919a0c649824d
#include <stdio.h>
int count = 0;
int i = 0;
int fact(int n)
{
if (n)
{
int a = n % 10;
int b = a % 2;
return 10 * fact(n / 10) + b;
}
return 0;
}
int main(void)
{
int n = 0;
scanf("%d",&n);
int ret = fact(n);
printf("%d\n",ret);
return 0;
}
