Submission #1272537

#	Time	Username	Problem	Language	Result	Execution time	Memory
1272537		marshziin	Topical (NOI23_topical)	C++20	40 / 100	1094 ms	39588 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define pii pair<int,int>


int32_t main() {
    ios_base::sync_with_stdio(false); cin.tie(0);
    int n, k; cin >> n >> k;
    
    vector<vector<int>> r(n + 1, vector<int>(k + 1));
    vector<vector<int>> u(n + 1, vector<int>(k + 1));
    for (int i = 1; i <= n; i++) 
        for (int j = 1; j <= k; j++)
            cin >> r[i][j];

    for (int i = 1; i <= n; i++) 
        for (int j = 1; j <= k; j++)
            cin >> u[i][j];

    set<int> sel;
    vector<int> v(k + 1);
    while(sel.size() != n) {
        int cnt = 0;
        for (int i = 1; i <= n; i++) {
            if(sel.find(i) != sel.end()) continue;
            bool ok = true;
            for (int j = 1; j <= k; j++) 
                if(v[j] < r[i][j]) ok = false;
            if(!ok) continue; 
            for (int j = 1; j <= k; j++) v[j] += u[i][j];
            cnt++;
            sel.insert(i);
        }

        if(!cnt) break;
    }

    cout << sel.size() << '\n';
    return 0;   
}

• Subtask 1: 12 / 12
• Subtask 2: 28 / 28
• Subtask 3: 0 / 21
• Subtask 4: 0 / 39