제출 #814690

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
814690		tlnk07	Lutrija (COCI19_lutrija)	C++17	7 / 70	1 ms	304 KiB

lutrija

#include<bits/stdc++.h>
using namespace std;

long long x, y;

bool check(int x)
{
	for(int i = 2; i * i <= x; ++i)	if(x % i == 0)	return 0;
	return 1;
}

int main()
{
	cin >> x >> y;
	if(check(abs(x - y)))	cout << "2\n" << x << " " << y;
	else if(x == 2 || y == 2)
	{
		if(check(max(x, y) + 2))	cout << "3\n" << x << " " << max(x, y) + 2 << " " << y;
		else if(check(max(x, y) - 2))	cout << "3\n" << x << " " << max(x, y) - 2 << " " << y;
		else	cout << -1;
	}
	else
	{
		if(check(x - 2) && check(y - 2))	cout << "3\n" << x << " 2 " << y;
		else	cout << -1;
	}
}

• Subtask 1: 0 / 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
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• Subtask 10: 0 / 7