题解 | #反向输出一个四位数#
反向输出一个四位数
https://www.nowcoder.com/practice/1f7c1d67446e4361bf4af67c08e0b8b0
#include <stdio.h> int main() { int num = 0; scanf("%d",&num); int result = 0; while (num != 0) { result += num % 10; result *= 10; num /= 10; } printf("%04d",result/10); return 0; }