Submission #936635

#	Time	Username	Problem	Language	Result	Execution time	Memory
936635		Warinchai	Lutrija (COCI19_lutrija)	C++14	0 / 70	1 ms	600 KiB

lutrija

#include<bits/stdc++.h>
using namespace std;
bool check(long long x){
    long long s=sqrt(x);
    for(long long 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 if(b==2&&check(a+2))cout<<3<<"\n"<<a<<" "<<a+2<<" "<<b;
    else cout<<-1;
}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 7
• Subtask 3: 0 / 7
• Subtask 4: 0 / 7
• Subtask 5: 0 / 7
• Subtask 6: 0 / 7
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• Subtask 10: 0 / 7