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