Submission #1315827

#	Time	Username	Problem	Language	Result	Execution time	Memory
1315827		nguyenkhangninh99	Topical (NOI23_topical)	C++20	100 / 100	561 ms	133488 KiB

Main

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

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    int n, k; cin >> n >> k;
    vector<vector<int>> r(n + 1, vector<int>(k + 1)), u(n + 1, vector<int>(k + 1));
    vector<priority_queue<pair<int, int>>> pq(k + 1);
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= k; j++){
            cin >> r[i][j];
            pq[j].push({-r[i][j], i});
        }
    }
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= k; j++) cin >> u[i][j];
    }

    vector<int> p(k + 1), at(n + 1);
    for(int loop = 1; loop <= n + 1; loop++){
        for(int j = 1; j <= k; j++){
            while(pq[j].size() && -(pq[j].top().first) <= p[j]){
                auto [_, id] = pq[j].top();
                pq[j].pop();
                at[id]++;
                if(at[id] == k){
                    for(int z = 1; z <= k; z++) p[z] += u[id][z];
                }
            }
        }
    }
    int res = 0;
    for(int i = 1; i <= n; i++) if(at[i] == k) res++;
    cout << res;
}

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