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Submission #366029

# Submission time Handle Problem Language Result Execution time Memory
366029 2021-02-12T18:49:29 Z soba Table Tennis (info1cup20_tabletennis) C++14
72 / 100
 3000 ms 340840 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
int main()
{
    ll n , k;
    cin >> n >> k ;
    ll teams=n/2;
    vector<ll>v;
    ll x , y ;
    n+=k;
    map<ll,int>mp;
    for(int i = 0 ; i < n ; i++)
    {
        cin >>  x;
        mp[x]++;
        v.push_back(x);
    }
    sort(v.begin(), v.end());
    vector<ll>poten;
    for(int i = 0 ; i< k+1 ; i++)
    {
        for( int j = n-1; j >= n-(k+1) ; j-- )
        {
            poten.push_back(v[i]+v[j]);
        }
    }
    int sz=poten.size();
    vector<ll>ansa;
    for( int i = 0 ; i  < sz ; i++)
    {
        ansa.clear();
        ll tmp=teams;
        for(int j = 0 ; v[j]<(poten[i]/2) ; j++ )
        {
            if(poten[i]-v[j]==v[j])continue;
            if(mp[poten[i]-v[j]])
            {
                tmp--;
                ansa.push_back(poten[i]-v[j]);
                ansa.push_back(v[j]);
            }
            if(tmp==0)
                break;
        }
        if(tmp==0)
        {
            break;
        }
    }
//    cout << ansa[0] << "\n";
//    cout << ansa.size() << "\n";
    sort( ansa.begin() , ansa.end());
    for(int i = 0 ; i < teams*2 ; i++)
    {
        cout << ansa[i] <<  " " ;
    }
    return 0;
}

Compilation message

tabletennis.cpp: In function 'int main()':
tabletennis.cpp:11:12: warning: unused variable 'y' [-Wunused-variable]
   11 |     ll x , y ;
      |            ^

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 620 KB Output is correct
2 Correct 2 ms 620 KB Output is correct
3 Correct 3 ms 620 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 2152 KB Output is correct
2 Correct 186 ms 23584 KB Output is correct
3 Correct 180 ms 23136 KB Output is correct
4 Correct 181 ms 22884 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 233 ms 39260 KB Output is correct
2 Correct 187 ms 25184 KB Output is correct
3 Correct 234 ms 39648 KB Output is correct
4 Correct 204 ms 28508 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 748 KB Output is correct
2 Correct 430 ms 32620 KB Output is correct
3 Correct 3 ms 1180 KB Output is correct
4 Correct 159 ms 30316 KB Output is correct
5 Correct 3 ms 1132 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct

Subtask #6
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 50 ms 12908 KB Output is correct
3 Correct 10 ms 3052 KB Output is correct
4 Correct 54 ms 16364 KB Output is correct
5 Correct 10 ms 3052 KB Output is correct
6 Correct 3 ms 620 KB Output is correct

Subtask #7
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Execution timed out 3093 ms 340840 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #8
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 4828 KB Output is correct
2 Execution timed out 3109 ms 336564 KB Time limit exceeded
3 Halted 0 ms 0 KB -