oj.uz

Submission #1087915

# Submission time Handle Problem Language Result Execution time Memory
1087915 2024-09-13T13:25:37 Z vjudge1 Izbori (COCI17_izbori) C++17
48 / 80
 1 ms 460 KB 
#include "bits/stdc++.h"
const signed MOD = 1e9 + 7;
const signed mod = 998244353;
using namespace std;
#define all(x) x.begin(), x.end()
#define ld long double
#define ll long long
#define pb push_back
#define mp make_pair
#define co cout <<
#define S second
#define F first

void solve() {
    int n, m, k;
    cin >> n >> m >> k;
    bool t[20] = {};
    int a[n][m];

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cin >> a[i][j];
        }
    }
    int g[20] = {};
    for (int i = 0; i < n; i++) {
        int j = 0;
        while (t[a[i][j]]) j++;
        g[a[i][j]]++;
    }
    int mx = 0, num;

    for (int i = 1; i <= m; i++) {
        if (g[i] > mx) {
            mx = g[i];
            num = i;
        }
        else if (g[i] == mx) {
            num = min(i, num);
        }
    }
    int cn = 0;
    co num;

    while (1) {
        int f[20] = {};
        for (int i = 0; i < n; i++) {
            int j = 0;
            while (t[a[i][j]]) j++;
            f[a[i][j]]++;
        }
        int mx = 0, num;

        for (int i = 1; i <= m; i++) {
            if (f[i] > mx) {
                mx = f[i];
                num = i;
            }
            else if (f[i] == mx) {
                num = min(i, num);
            }
        }
        if (num == k) {
            co '\n' << cn;
            return;
        }
        cn++;

        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++) {
                if (a[i][j] == num) {
                    t[num] = 1;
                    continue;
                }
            }
        }
    }
}

signed main() {
    cin.tie(0)->sync_with_stdio(0);
    signed t = 1;
    // cin >> t;
    while (t--) solve();
}

Compilation message

izbori.cpp: In function 'void solve()':
izbori.cpp:63:9: warning: 'num' may be used uninitialized in this function [-Wmaybe-uninitialized]
   63 |         if (num == k) {
      |         ^~
izbori.cpp:43:8: warning: 'num' may be used uninitialized in this function [-Wmaybe-uninitialized]
   43 |     co num;
      |        ^~~

Subtask #1
48.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Partially correct 0 ms 348 KB Partially correct
4 Partially correct 1 ms 348 KB Partially correct
5 Partially correct 0 ms 348 KB Partially correct
6 Partially correct 0 ms 452 KB Partially correct
7 Partially correct 0 ms 348 KB Partially correct
8 Partially correct 0 ms 348 KB Partially correct
9 Partially correct 0 ms 348 KB Partially correct
10 Partially correct 0 ms 348 KB Partially correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Partially correct 1 ms 344 KB Partially correct
14 Partially correct 0 ms 348 KB Partially correct
15 Partially correct 0 ms 348 KB Partially correct
16 Partially correct 1 ms 348 KB Partially correct
17 Partially correct 0 ms 348 KB Partially correct
18 Partially correct 0 ms 348 KB Partially correct
19 Partially correct 0 ms 460 KB Partially correct
20 Partially correct 1 ms 348 KB Partially correct