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Submission #717888

# Submission time Handle Problem Language Result Execution time Memory
717888 2023-04-02T19:21:58 Z vjudge1 Table Tennis (info1cup20_tabletennis) C++17
49 / 100
 3000 ms 237740 KB 
#include "bits/stdc++.h"
#define ll long long
using namespace std;
const ll mod = 1000000007;

signed main () {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    // freopen("cowland.in","r",stdin);
    // freopen("cowland.out","w",stdout);

    int n, k;
    cin >> n >> k;
    vector<int> v;
    for(int i = 0; i < n + k; i++) {
        int x;
        cin >> x;
        v.push_back(x);
    }
    sort(v.begin(), v.end());
    map<int, int> mp;
    for(int i = 0; i < n + k; i++)
        mp[v[i]] = -1;
    sort(v.begin(), v.end());
    set<int> s;
    for(int i = 0; i <= k; i++) {
        int j = n + k - 1;
        while(i < j && i + ((n + k) - j - 1) <= k)
            s.insert(v[i] + v[j--]);
    }
    for(int x : s) {
        int y = 0;
        for(int i = 0; i < n + k && y < n; i++) {
            if(mp[v[i]] && mp[x - v[i]]) {
                y += 2;
                mp[v[i]] = mp[x - v[i]] = x;
            }
        }
        if(y >= n) {
            set<int> ans;
            for(int i = 0; i < n + k; i++) {
                if(mp[v[i]] == x && mp[x - v[i]] == x) {
                    ans.insert(v[i]);
                    ans.insert(x - v[i]);
                }
            }
            for(int i : ans)
                cout << i << " ";
            return 0;
        }
    }

    return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 596 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 468 KB Output is correct

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 17 ms 2464 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 239 ms 28360 KB Output is correct
2 Correct 189 ms 16456 KB Output is correct
3 Correct 352 ms 48612 KB Output is correct
4 Correct 172 ms 16496 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 278 ms 14924 KB Output is correct
3 Correct 1 ms 524 KB Output is correct
4 Correct 50 ms 6040 KB Output is correct
5 Correct 1 ms 468 KB Output is correct

Subtask #5
9.0 / 9.0

# 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

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 32 ms 1868 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 15 ms 3396 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Incorrect 18 ms 1256 KB Unexpected end of file - int32 expected
7 Halted 0 ms 0 KB -

Subtask #7
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Execution timed out 3072 ms 229856 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #8
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 4052 KB Output is correct
2 Execution timed out 3067 ms 237740 KB Time limit exceeded
3 Halted 0 ms 0 KB -