题解 | #BC45 小乐乐改数字#
小乐乐改数字
https://www.nowcoder.com/practice/fcd30aac9c4f4028b23919a0c649824d
#include <stdio.h>
#include <math.h>
int main() {
int n, i = 0, s = 0;
scanf("%d", &n);
while (n > 0) {
s += (int)pow(10, i) * ((n%10)%2==0? 0: 1);
i++;
n /= 10;
}
printf("%d", s);
return 0;
}
