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; scanf("%d",&n); if(n%2==0) { printf("%d ",2); } if(n%3==0) { printf("%d ",3); } if(n%7==0) { printf("%d ",7); } if(n%3!=0&&n%2!=0&&n%7!=0) printf("n"); return 0; }