Submission #698998

#	Time	Username	Problem	Language	Result	Execution time	Memory
698998		nguyennehehe	Job Scheduling (CEOI12_jobs)	C++14	0 / 100	18 ms	3520 KiB

jobs

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

const int N = 1e5 + 1;

int n, d, m;
pair<int, int> a[N];
vector<int> ans[N];

bool good(int k) {
    int j = 1;
    for (int i = 1; i <= n; ++i) {
        for (int x = 1; x <= k; ++x) {
            if (a[j].first > i) break;
            if (a[j].first + d < i) return false;

            if (j == m) return true;
            ++j;
        }
    }
    return false;
}

int32_t main() {
    cin.tie(0)->sync_with_stdio(0);
    
    cin >> n >> d >> m;
    for (int i = 1; i <= m; ++i) {
        cin >> a[i].first;
        a[i].second = i;
    }

    sort(a + 1, a + 1 + m);
    int l = 0, r = m + 1;
    while (r - l > 1) {
        int mid = (l + r) >> 1;
        if (good(mid)) r = mid;
        else l = mid;
    }

    cout << r << '\n' << 0;
    // for (int i = 1, j = 1; i <= n; ++i) {

    // }
}

• Subtask 1: 0 / 100