提交时间:2023-07-21 17:52:37

运行 ID: 24202

#include<bits/stdc++.h> using namespace std; bool check(int x){ if(x==1)return false; for(int i=2;i*i<=x;i++){ if(x%i==0)return false; } return true; } int main(){ int n; cin>>n; if(check(n)){ if(check(n-6)){ cout<<"Yes\n"<<n-6; return 0; } if(check(n+6)){ cout<<"Yes\n"<<n+6; return 0; } } cout<<"No"<<"\n"; while (n++){ if(check(n)&&check(n-6)&&(n-6>0)){ cout<<n; return 0; } if(check(n)&&check(n+6)){ cout<<n; return 0; } } }