Submission #571004

#	Time	Username	Problem	Language	Result	Execution time	Memory
571004		AGE	Lutrija (COCI19_lutrija)	C++14	0 / 70	20 ms	16184 KiB

lutrija

#include<bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define int  long long
using namespace std;
const int N=1e6,M=2e3;
int seive[N+5];
main(){

    int a,b;
    cin>>a>>b;

    for(int i=2;i<=1e6;i++){

        if(seive[i]!=0)
            continue;

        for(int j=i+i;j<=1e6;j+=i)
            seive[j]=1;
    }
    int x=abs(a-b);
    if(seive[x]==1&&seive[a+b]==1)
        cout<<"-1"<<endl;

    if(seive[abs(a-b)]==0)
        cout<<2<<endl<<a<<" "<<b<<endl;

    else if(seive[a+b]==0)
        cout<<3<<endl<<a<<" "<<a+b<<" "<<b<<endl;

    return 0;

}

Compilation message (stderr)

lutrija.cpp:9:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    9 | main(){
      | ^~~~

• Subtask 1: 0 / 7
• Subtask 2: 0 / 7
• Subtask 3: 0 / 7
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