题解 | #牛牛的二三七整除#
牛牛的二三七整除
https://www.nowcoder.com/practice/b2cf0b791245436f8f0591ae9f4c664f
依序判断即可
#include<iostream> using namespace std; int main() { int num; while(cin>>num) { if(num%2==0) cout<<"2"<<" "; if(num%3==0) cout<<"3"<<" "; if(num%7==0) cout<<"7"<<" "; if(num%7&&num%2&&num%3) cout<<"n"; } return 0; }