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Submission #205708

# Submission time Handle Problem Language Result Execution time Memory
205708 2020-02-29T14:29:51 Z mayhoubsaleh Lutrija (COCI19_lutrija) C++14
14 / 70
 181 ms 504 KB 
#include <bits/stdc++.h>
#define pb push_back
#define ll long long
#define mid (l+r)/2
#define left 2*i+1
#define righ 2*i+2

using namespace std;
ll a,b;

bool check(ll x){
    if(x<=1)return 0;
    for(ll i=2;i*i<=x;i++){
        if(x%i)continue;
        return 0;
    }
    return 1;
}
int main()
{
    cin>>a>>b;
    if(abs(a-b)==2){
        cout<<2<<endl;
        cout<<a<<' '<<b<<endl;
        return 0;
    }
    if(a==2){
        if(check(b-2)){
            cout<<2<<endl;
            cout<<a<<' '<<b<<endl;
            return 0;
        }
        if(check(b+2)){
            cout<<3<<endl;
            cout<<a<<' '<<b+2<<' '<<b<<endl;
            return 0;
        }
    }
    if(b==2){
        if(check(a-2)){
            cout<<2<<endl;
            cout<<a<<' '<<b<<endl;
            return 0;
        }
        if(check(a+2)){
            cout<<3<<endl;
            cout<<a<<' '<<a+2<<' '<<b<<endl;
            return 0;
        }
    }

    if(check(a-2)){
        if(check(b-2)){
            cout<<3<<endl;
            cout<<a<<' '<<2<<' '<<b<<endl;
            return 0;
        }
        if(check(b+2)){
            cout<<4<<endl;
            cout<<a<<' '<<2<<' '<<b+2<<' '<<b<<endl;
            return 0;
        }
    }
    if(check(a+2)){
        if(check(b-2)){
            cout<<4<<endl;
            cout<<a<<' '<<a+2<<' '<<2<<' '<<b<<endl;
        }
        if(check(b+2)){
            cout<<5<<endl;
            cout<<a<<' '<<a+2<<' '<<2<<' '<<b+2<<' '<<b<<endl;
        }
    }
    cout<<-1<<endl;
    return 0;
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 256 KB Extra information in the output file
2 Halted 0 ms 0 KB -

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 256 KB Extra information in the output file
2 Halted 0 ms 0 KB -

Subtask #4
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 256 KB Extra information in the output file
2 Halted 0 ms 0 KB -

Subtask #5
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 256 KB Extra information in the output file
2 Halted 0 ms 0 KB -

Subtask #6
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 376 KB Output is correct

Subtask #7
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 168 ms 256 KB Extra information in the output file
2 Halted 0 ms 0 KB -

Subtask #8
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 164 ms 356 KB Extra information in the output file
2 Halted 0 ms 0 KB -

Subtask #9
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 181 ms 376 KB Extra information in the output file
2 Halted 0 ms 0 KB -

Subtask #10
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 133 ms 504 KB Extra information in the output file
2 Halted 0 ms 0 KB -