Submission #1328489

#TimeUsernameProblemLanguageResultExecution timeMemory
1328489kawhietTopical (NOI23_topical)C++20
12 / 100
104 ms16024 KiB
#include <bits/stdc++.h>
using namespace std;

bool is(vector<int> &a, vector<int> &b) {
    for (int i = 0; i < a.size(); i++) {
        if (a[i] < b[i]) return false;
    }
    return true;
}



int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, k;
    cin >> n >> k;
    vector<vector<int>> r(n, vector<int>(k));
    vector<vector<int>> u(n, vector<int>(k));
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < k; j++) {
            cin >> r[i][j];
        }
    }
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < k; j++) {
            cin >> u[i][j];
        }
    }
    vector<bool> vis(n);
    vector<int> x(k);
    int ans = 0;
    for (int _ = 0; _ < n; _++) {
        for (int i = 0; i < n; i++) {
            if (is(x, r[i]) && !vis[i]) {
                ans++;
                vis[i] = 1;
                for (int j = 0; j < k; j++) {
                    x[j] += u[i][j];
                }
            }
        }
    }
    cout << ans << '\n';
    return 0;
}
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