Submission #1088587

#	Time	Username	Problem	Language	Result	Execution time	Memory
1088587		FIFI_cpp	Table Tennis (info1cup20_tabletennis)	C++17	87 / 100	3083 ms	122676 KiB

tabletennis

#include <iostream>
#include <vector>
#include <algorithm>
#include <numeric>
#include <cstdlib>
#include <cmath>
#include <queue>
#include <stack>
#include <deque>
#include <fstream>
#include <iterator>
#include <set>
#include <map>
#include <unordered_map>
#include <iomanip>
#include <cctype>
#include <string>
#include <cassert>
#include <set>
#include <bitset>
#include <unordered_set>
#include <numeric>
using ll = int64_t;
#define pb push_back
#define all(a) a.begin(),a.end()
#define ppi pair<int,pair<int,int>>
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
//#define int int64_t
// xcode cant include bits/stdc++.h
using namespace std;
/*   /\_/\
*   (= ._.)
*   / >  \>
*/
// encouraging cat
//const int INF = 10000000000000000;
//const int mod = 1000000007;
const int mod = 998244353;
const int MAXN = 100005;
//ifstream fin("trenuri.in");
//ofstream fout("trenuri.out");
unordered_map<int,int> mp;
unordered_map<int,int> occ;
int32_t main() {
    fast
    int n,k;
    cin >> n >> k;
    vector<int> a(n + k);
    for (int i = 0;i < n + k;i++)
    {
        cin >> a[i];
        occ[a[i]]++;
    }
    int l = 0;
    int p = 0;
    for (l = 0;l < n + k;l++)
    {
        if (l > k)
            p++;
        for (int i = n + k - p - 1;i >= 0 && i >= n - l - 1 && i > l;i--)
        {
            mp[a[l] + a[i]]++;
        }
        //r++;
    }
    int res = -1;
    for (auto it:mp)
    {
        if (it.second >= n / 2)
        {
            res = it.first;
            break;
        }
    }
    //cout << res << '\n';
    //assert(res != -1);
    int cnt = 0;
    for (int i = 0;i < n + k;i++)
    {
        if (occ[res - a[i]] > 0)
        {
            cout << a[i] << " ";
            cnt++;
        }
        if (cnt == n)
            break;
    }
    cout << '\n';
    return 0;
}

Compilation message (stderr)

tabletennis.cpp:31:9: warning: "/*" within comment [-Wcomment]
   31 | /*   /\_/\
      |

• Subtask 1: 11 / 11
• Subtask 2: 9 / 9
• Subtask 3: 14 / 14
• Subtask 4: 15 / 15
• Subtask 5: 9 / 9
• Subtask 6: 14 / 14
• Subtask 7: 15 / 15
• Subtask 8: 0 / 13