Submission #888461

#	Time	Username	Problem	Language	Result	Execution time	Memory
888461		vjudge1	Topical (NOI23_topical)	C++17	100 / 100	350 ms	164792 KiB

Main

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
vector<vector<int>> a, b;
vector<pair<int, int>> g[1000005];
long long int c[1000005], d[1000005], f[1000005];
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n, k;
    cin >> n >> k;
    a = vector<vector<int>> (n + 1, vector<int>(k + 1, 0));
    b = vector<vector<int>> (n + 1, vector<int>(k + 1, 0));
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= k; j++) {
            cin >> a[i][j];
            g[j].push_back({a[i][j], i});
        }
    }
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= k; j++) {
            cin >> b[i][j];
        }
    }
    for (int i = 1; i <= k; i++) {
        sort(g[i].begin(), g[i].end());
    }
    int res = 0;
    while (1) {
        int flag = 0;
        for (int i = 1; i <= k; i++) {
            while (c[i] < n && f[i] >= g[i][c[i]].first) {
                int h = g[i][c[i]].second;
                d[h]++;
                if (d[h] == k) {
                    for (int j = 1; j <= k; j++) {
                        f[j] += b[h][j];
                    }
                    flag = 1;
                    res++;
                }
                c[i]++;
            }
        }
        if (flag == 0) break;
    }
    cout << res;
}

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