제출 #936629

#제출 시각아이디문제언어결과실행 시간메모리
936629WarinchaiLutrija (COCI19_lutrija)C++14
0 / 70
1 ms500 KiB
#include<bits/stdc++.h> using namespace std; bool check(long long x){ int s=sqrt(x); for(int i=2;i<=s;i++){ if(x%i==0)return 0; } return 1; } int main(){ long long a,b;cin>>a>>b; if(check(abs(b-a)))cout<<2<<"\n"<<a<<" "<<b; else if(a==2&&check(b+2))cout<<3<<"\n"<<a<<" "<<b+2<<" "<<b; else cout<<-1; }
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