Submission #338962

#	Time	Username	Problem	Language	Result	Execution time	Memory
338962		A_D	Lutrija (COCI19_lutrija)	C++14	0 / 70	1 ms	364 KiB

lutrija

#include <bits/stdc++.h>
#define ll long long
#define F first
#define S second
using namespace std;
bool ok(ll v)
{
    for(ll i=2;i*i<=v;i++){
        if(v%i==0)return 0;
    }
    return 1;
}
main()
{
    ll a,b;
    cin>>a>>b;
    ll k=a+b;
    if(ok(k)){
        cout<<3<<endl;
        cout<<a<<" "<<a+b<<" "<<b<<endl;
        return 0;
    }
    k=a-b;
    if(k<0)k*=-1;
    if(ok(k)){
        cout<<2<<endl;
        cout<<a<<" "<<b<<endl;
        return 0;
    }
    cout<<-1;
}

Compilation message (stderr)

lutrija.cpp:13:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   13 | main()
      |      ^

• Subtask 1: 0 / 7
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• Subtask 3: 0 / 7
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• Subtask 10: 0 / 7