oj.uz

Submission #1087978

# Submission time Handle Problem Language Result Execution time Memory
1087978 2024-09-13T16:16:35 Z Has2008 Izbori (COCI17_izbori) C++17
68 / 80
 26 ms 348 KB 
#include "bits/stdc++.h"
using namespace std;

#define int long long
#define endl endl

const int mod = 1e9 + 7;
const int maxn = 105;

int n, m, k, arr[maxn][20], ans = INT_MAX;
vector < int > v;

int the_winner()
{
    bool out[20] = { };
    for(auto i : v) out[i] = 1;

    int frq[20] = { }, winner = -1, mx = -1;
    for(int i = 0; i < n; i++)
    {
        int j;
        for(j = 0; j < m; j++) if(!out[arr[i][j]]) break;
        frq[arr[i][j]]++;
        if(frq[arr[i][j]] > mx) winner = arr[i][j], mx = frq[arr[i][j]];
    }

    return winner;
}

void rec(int i, int cnt)
{
    if(i == m)
    {
        if(the_winner() == k) ans = min(ans, cnt);
        return;
    }

    v.push_back(i + 1);
    rec(i + 1, cnt + 1);
    v.pop_back();

    rec(i + 1, cnt);
}

void solve()
{

    cin >> n >> m >> k;

    int frq[m + 5] = { };
    for(int i = 0; i < n; i++)
    {
        for(int j = 0; j < m; j++)
        {
            cin >> arr[i][j];
            if(j == 0) frq[arr[i][j]] ++;
        }
    }

    int mx = -1, winner = -1;
    for(int i = 1; i <= m; i++) if(frq[i] > mx) mx = frq[i], winner = i;
    cout << winner << endl;


    rec(0, 0);
    cout << ans << endl;
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    int tt = 1;
    //cin >> tt;

    while(tt--) solve();
}

Subtask #1
68.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Partially correct 2 ms 348 KB Partially correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 5 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Partially correct 2 ms 348 KB Partially correct
9 Partially correct 4 ms 348 KB Partially correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 3 ms 348 KB Output is correct
12 Correct 12 ms 348 KB Output is correct
13 Partially correct 22 ms 348 KB Partially correct
14 Correct 11 ms 344 KB Output is correct
15 Correct 3 ms 348 KB Output is correct
16 Partially correct 25 ms 348 KB Partially correct
17 Partially correct 12 ms 344 KB Partially correct
18 Correct 21 ms 348 KB Output is correct
19 Correct 26 ms 348 KB Output is correct
20 Correct 26 ms 348 KB Output is correct