oj.uz

Submission #366229

# Submission time Handle Problem Language Result Execution time Memory
366229 2021-02-13T15:09:51 Z Ahmad_Hasan Table Tennis (info1cup20_tabletennis) C++17
72 / 100
 3000 ms 12632 KB 
#include <bits/stdc++.h>
#define int long long
/**
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    |||||||||||||     |||||     |||||  |||||
   ||||     ||||||    |||||     |||||  |||||
  |||||||||||||||||   |||||||||||||||    ||||||||||
 |||||||||||||||||||  |||||||||||||||           |||||
 |||||         |||||  |||||     |||||           |||||
 |||||         |||||  |||||     |||||    ||||||||||
AHMED;HASSAN;SAEED;
*/

using namespace std;

int32_t main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);      cout.tie(0);
    int n,k;
    cin>>n>>k;
    vector<int>v(n+k);

    unordered_map<int,int >mp,mp2;
    int nn=n+k;
    for(int i=0;i<nn;i++){
        cin>>v[i];
    }

    vector<vector<pair<int,int> > >pos((k+5)*(k+5));
    int cr=1;
    for(int i=0;i<nn&&i<k+2;i++){
        for(int j=nn-1;j>=0&&(nn-1-j)<=k+2;j--){
            if(!mp[v[i]+v[j]]){
                mp[v[i]+v[j]]=cr++;
            }
        }
    }
    int mxi=0;
    for(unordered_map<int,int>::iterator it=mp.begin();it!=mp.end();it++){
        for(int i=0;i<nn;i++){
            vector<int>::iterator it2=lower_bound(v.begin(),v.end(),(it->first)-v[i]);
            if(it2==v.end()||*it2!=(it->first)-v[i])continue;
            int vl=it2-v.begin();
            if(vl>i){
                pos[it->second].push_back({i,vl});
            }
        }
    }
    /**
    for(int i=0;i<pos.size();i++){
        for(int j=0;j<pos[i].size();j++){
            cout<<pos[i][j].first<<'-'<<pos[i][j].second<<' ';
        }
        cout<<'\n';
    }*/

    for(int i=0;i<pos.size();i++)
        if(pos[i].size()>pos[mxi].size())
            mxi=i;
    vector<int>ans;
    for(int i=0;i<pos[mxi].size()&&ans.size()<n;i++){
        ans.push_back(v[pos[mxi][i].first]);
        ans.push_back(v[pos[mxi][i].second]);
    }

    sort(ans.begin(),ans.end());
    for(int i=0;i<ans.size();i++)
        cout<<ans[i]<<' ';

    return 0;
}



/**
4 3
100000000000 200000000000 300000000000 400000000000 800000000000 1000000000000 2000000000000

*/

Compilation message

tabletennis.cpp: In function 'int32_t main()':
tabletennis.cpp:58:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<std::pair<long long int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |     for(int i=0;i<pos.size();i++)
      |                 ~^~~~~~~~~~~
tabletennis.cpp:62:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |     for(int i=0;i<pos[mxi].size()&&ans.size()<n;i++){
      |                 ~^~~~~~~~~~~~~~~~
tabletennis.cpp:62:46: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   62 |     for(int i=0;i<pos[mxi].size()&&ans.size()<n;i++){
      |                                    ~~~~~~~~~~^~
tabletennis.cpp:68:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |     for(int i=0;i<ans.size();i++)
      |                 ~^~~~~~~~~~~

Subtask #1
11.0 / 11.0

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

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 1920 KB Output is correct
2 Correct 141 ms 5732 KB Output is correct
3 Correct 92 ms 5728 KB Output is correct
4 Correct 119 ms 5728 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 141 ms 9568 KB Output is correct
2 Correct 147 ms 5860 KB Output is correct
3 Correct 174 ms 6620 KB Output is correct
4 Correct 134 ms 5992 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 1260 KB Output is correct
2 Correct 30 ms 1388 KB Output is correct
3 Correct 43 ms 1664 KB Output is correct
4 Correct 25 ms 1260 KB Output is correct
5 Correct 35 ms 1388 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 364 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 29 ms 876 KB Output is correct
3 Correct 20 ms 492 KB Output is correct
4 Correct 23 ms 756 KB Output is correct
5 Correct 17 ms 876 KB Output is correct
6 Correct 9 ms 1052 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 3057 ms 4204 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #8
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1000 ms 10976 KB Output is correct
2 Execution timed out 3071 ms 12632 KB Time limit exceeded
3 Halted 0 ms 0 KB -