Submission #1287449

#	Time	Username	Problem	Language	Result	Execution time	Memory
1287449		bnijaamaa	Topical (NOI23_topical)	C++20	33 / 100	230 ms	32592 KiB

Main

#include <bits/stdc++.h>

using namespace std;
#define int long long
#define pb push_back
#define nn '\n'
const int N = 2e5 + 1;
signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, k;
    cin >> n >> k;
    if (n == 1) {

        int r[n + 1][k + 1], u[n + 1][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];
            }
        }
        int cnt = 0;
        int mus = 0;
        for (int i = 1; i <= n; i++)
        {
            for (int j = 1; j <= k; j++)
            {
                if (mus >= r[i][j])
                {
                    mus += u[i][j];
                    cnt++;
                }
            }
        }
        if (cnt == k)
        {
            cout << 1 << nn;
        }
        else
        {
            cout << 0 << nn;
        }
    }
    else
    {

        vector < int > a(n + 1), b(n + 1);
        vector < pair < int, int >> p;
        for (int i = 1; i <= n; i++)
        {
            cin >> a[i];
        }
        for (int i = 1; i <= n; i++)
        {
            cin >> b[i];
        }
        for (int i = 1; i <= n; i++)
        {
            p.pb({
                a[i],
                b[i]
            });
        }
        int cnt = 0, sum = 0;
        sort(p.begin(), p.end());
        vector<bool> ok(1e6 + 1 , true);
            for (int i = 0; i < n; i++)
            {
                if(!ok[i]) continue;
                if (sum >= p[i].first)
                {
                    sum += p[i].second;
                    ok[i] = false;
                    cnt++;
                }
        }
      //  for(auto [x , y] : p) cout << x << ' ' << y << nn ;
        cout << cnt << nn;
    }
}

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