oj.uz

Submission #704761

# Submission time Handle Problem Language Result Execution time Memory
704761 2023-03-03T01:09:50 Z pcc Lutrija (COCI19_lutrija) C++14
14 / 70
 137 ms 320 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
bool isp(ll k){
    if(k == 1)return true;
    for(ll i = 2;i*i<=k;i++){
        if(k%i == 0)return false;
    }
    return true;
}
map<ll,ll> mp;
int main(){
    ll a,b;
    cin>>a>>b;
    vector<ll> ans;
    bool rev = false;
    if(a>b){
        rev = true;
        swap(a,b);
    }
    ans.push_back(a);
    if(a == 2){
        if(isp(b+2)&&isp(b+2-a))ans = {2,b+2,b};
        else if(isp(b-2)&&isp(b-2-a))ans = {2,b-2,b};
        else{
            cout<<-1;
            return 0;
        }
    }
    else{
        ans.clear();
        for(ll i = a;i<=b&&isp(i);i+=2){
            ans.push_back(i);
        }
        if(ans.back() != b){
            ans.clear();
        }
        if(ans.empty()){
            if(isp(a-2)&&isp(b-2))ans = {a,2,b};
        }
    }
    if(ans.empty()||ans.back() != b){
        cout<<-1;
        return 0;
    }
    if(rev)reverse(ans.begin(),ans.end());
    cout<<ans.size()<<'\n';
    for(auto &i:ans)cout<<i<<' ';
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 212 KB Output is correct

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 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 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 126 ms 276 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 136 ms 280 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 137 ms 276 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 53 ms 272 KB Output isn't correct
2 Halted 0 ms 0 KB -