题解 | #小乐乐改数字#

#include <stdio.h>
#include<math.h>
int main()
{
    int n = 0;
    int i = 0;
    int tmp = 0;
    int sum = 0;
    int count = 0;
    scanf("%d", &n);
    while(n)
    {
        tmp = n % 10;
        if(tmp % 2 ==1)
        {
            tmp = 1;
        }
        else 
        {
            tmp = 0;
        }
        sum +=tmp * pow(10,i);
        i++;
        n /= 10;
    }
    printf("%d\n",sum);
    return 0;
}