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Submission #256874

# Submission time Handle Problem Language Result Execution time Memory
256874 2020-08-03T10:49:32 Z dolijan Lutrija (COCI19_lutrija) C++14
0 / 70
 1 ms 384 KB 
#include <bits/stdc++.h>
typedef long long ll;
#define pb push_back;
using namespace std;
bool prost(ll n)
{
	if(n==1) return false;
	for(ll i=2;i*i<=n;i++)
	{
		if(n%i==0) return false;
	}
	return true;
}
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	ll a,b;
	cin>>a>>b;
	if(a==2)
	{
		if(prost(b-2))
		{
			cout<<2<<endl;
			cout<<2<<" "<<b<<endl;
		}
		else if(prost(b+2))
		{
			cout<<3<<endl;
			cout<<2<<" "<<b+2<<" "<<b<<endl;
		}
		else
		{
			cout<<-1<<endl;
		}
	}
	else if(a==3)
	{
		if(b==5)
		{
			cout<<2<<endl;
			cout<<3<<" "<<5<<endl;
		}
		else if(b==7)
		{
			cout<<3<<endl;
			cout<<3<<" "<<5<<" "<<7<<endl;
		}
		else
		{
			cout<<-1<<endl;
		}
	}
	else
	{
		if(abs(a-b)==2)
		{
			cout<<2<<endl;
			cout<<a<<" "<<b<<endl;
		}
		else
		{
			cout<<-1<<endl;
		}
	}
	return 0;
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Incorrect 0 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Incorrect 1 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -