Submission #1084458

#	Time	Username	Problem	Language	Result	Execution time	Memory
1084458		laure	Lutrija (COCI19_lutrija)	C++14	14 / 70	1 ms	456 KiB

lutrija

#include<bits/stdc++.h>
#define int long long
using namespace std;
signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    vector<bool>vis(1005,0);
    set<int>p;
    for(int i=2;i<=1000;i++)
    {
        if(!vis[i])
        {
            p.insert(i);
            for(int j=i*i;j<=1000;j+=i)vis[j]=1;
        }
    }
    int a,b;
    cin>>a>>b;
    if(p.count(abs(a-b))){cout<<2<<'\n'<<a<<" "<<b<<'\n';return 0;}
    int ans=-1;
    for(auto u:p)
    {
        if(p.count(abs(a-u))&&p.count(abs(b-u)))
        {
            ans=u;
            break;
        }
    }
    if(ans==-1)cout<<-1<<'\n';
    else cout<<3<<'\n'<<a<<" "<<ans<<" "<<b<<'\n';
}

• Subtask 1: 7 / 7
• Subtask 2: 7 / 7
• Subtask 3: 0 / 7
• Subtask 4: 0 / 7
• Subtask 5: 0 / 7
• Subtask 6: 0 / 7
• Subtask 7: 0 / 7
• Subtask 8: 0 / 7
• Subtask 9: 0 / 7
• Subtask 10: 0 / 7