oj.uz

Submission #939926

# Submission time Handle Problem Language Result Execution time Memory
939926 2024-03-07T01:06:55 Z 12345678 Lutrija (COCI19_lutrija) C++17
7 / 70
 141 ms 428 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long

ll a, b;
vector<ll> ans;

bool isprime(ll x)
{
    ll t=sqrt(x);
    if (x==0||x==1) return 0;
    if (x==2) return 1;
    for (ll i=2; i<=t; i++) if (x%i==0) return 0;
    return 1; 
}

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>a>>b;
    if (isprime(abs(b-a))) return cout<<2<<'\n'<<a<<' '<<b, 0;
    ans.push_back(a);
    if (isprime((abs(a-2))&&a!=2)||(isprime(a+2)&&a!=2)) ans.push_back(2);
    else if (a!=2) return cout<<-1, 0;
    if (isprime(b-2)) ans.push_back(b);
    else if (isprime(b+2)) ans.push_back(b+2), ans.push_back(b);
    else return cout<<-1, 0;
    cout<<ans.size()<<'\n';
    for (auto x:ans) cout<<x<<' ';
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 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 348 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 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #7
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 130 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 128 ms 428 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 141 ms 424 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 103 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -