oj.uz

Submission #717256

# Submission time Handle Problem Language Result Execution time Memory
717256 2023-04-01T18:31:40 Z vjudge1 Table Tennis (info1cup20_tabletennis) C++17
43 / 100
 3000 ms 161740 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define int long long
#define endl '\n'
using namespace std;
using namespace __gnu_pbds;
using ordered_set = tree<pair<int,int>,null_type,less<pair<int,int>>,rb_tree_tag,tree_order_statistics_node_update>;
int n,k;
void slv(deque<int>dq,int p){
    int kk=k;
    deque<int>a,b;
    while(dq.size()){
        if(dq.size()==1){
            kk--;
            break;
        }
        int f=dq.back();
        dq.pop_back();
        auto it=lower_bound(dq.begin(),dq.end(),p-f);
        if(it==dq.end()||*it!=p-f){
            kk--;
            continue;
        }else{
            while(dq.front()!=*it){
                dq.pop_front();
                kk--;
            }
            a.push_back(dq.front());
            b.push_front(f);
            dq.pop_front();
        }
    }
    if(kk==0){
        for(auto &i:a)cout<<i<<' ';
        for(auto &i:b)cout<<i<<' ';
        exit(0);
    }
}
signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin>>n>>k;
    deque<int>dq(n+k);
    for(auto &i:dq)cin>>i;
    srand(543634);
    map<int,int>mp;
    vector<pair<int,int>>v;
    for(int i=0;i<2000000;i++)mp[abs(dq[rand()%n]+dq[rand()%n])]++;
    for(auto &i:mp)v.push_back({i.second,i.first});
    sort(v.begin(),v.end());
    for(int i=v.size()-1;i>=0;i--){
        slv(dq,v[i].second);
    }
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1462 ms 61944 KB Output is correct
2 Correct 278 ms 964 KB Output is correct
3 Correct 1722 ms 74232 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1274 ms 4248 KB Output is correct
2 Correct 2786 ms 161432 KB Output is correct
3 Correct 2593 ms 161520 KB Output is correct
4 Correct 2568 ms 161556 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3062 ms 153632 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 123 ms 316 KB Output is correct
2 Incorrect 248 ms 684 KB Unexpected end of file - int32 expected
3 Halted 0 ms 0 KB -

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 320 KB Output is correct
2 Correct 102 ms 304 KB Output is correct
3 Correct 93 ms 300 KB Output is correct

Subtask #6
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 110 ms 300 KB Output is correct
2 Correct 306 ms 2420 KB Output is correct
3 Correct 1856 ms 107836 KB Output is correct
4 Correct 1671 ms 74916 KB Output is correct
5 Correct 247 ms 844 KB Output is correct
6 Correct 232 ms 1388 KB Output is correct

Subtask #7
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 116 ms 324 KB Output is correct
2 Correct 2663 ms 161536 KB Output is correct
3 Correct 2646 ms 161556 KB Output is correct
4 Execution timed out 3041 ms 138932 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #8
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 212 KB Output is correct
2 Correct 2819 ms 161740 KB Output is correct
3 Correct 2833 ms 161452 KB Output is correct
4 Correct 2713 ms 161524 KB Output is correct
5 Correct 2528 ms 145256 KB Output is correct
6 Execution timed out 3037 ms 27996 KB Time limit exceeded
7 Halted 0 ms 0 KB -