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; scanf("%d", &n); int ret = 0; int i = 0; while (n) { int a = 0; a = n % 10; if (a % 2 != 0) { a = 1; } else { a = 0; } ret += a * pow(10, i++);//!!! n = n / 10; } printf("%d", ret); return 0; }