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 a; while(scanf("%d",&a)) { if(a%2==0||a%3==0||a%7==0) { int i; if(a%2==0) printf("2 "); if(a%3==0) printf("3 "); if(a%7==0) printf("7"); break; } else printf("n\n"); break; } return 0; }