题解 | #牛牛的二三七整除#
牛牛的二三七整除
https://www.nowcoder.com/practice/b2cf0b791245436f8f0591ae9f4c664f
#include <stdio.h> int main() { int n = 0,flag = 1; int arr[] = {2,3,7}; scanf("%d",&n); for (int i = 0; i < 3; i++) { if (n % arr[i] == 0) { printf("%d ",arr[i]); flag = 0;//此时说明有匹配的 } } if (flag == 1) {//无匹配的 printf("n"); } return 0; }