Submission #1165520

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1165520	2025-03-12 02:17:58	thinknoexit	Job Scheduling (CEOI12_jobs)	C++20	100 / 100	108 ms	13608 KiB

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#include<bits/stdc++.h>
using namespace std;
using ll = long long;
vector<int> bucket[100100];
int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    int n, d, m;
    cin >> n >> d >> m;
    for (int i = 1;i <= m;i++) {
        int x;
        cin >> x;
        bucket[x].push_back(i);
    }
    int l = 1, r = m;
    while (l < r) {
        int mid = (l + r) / 2;
        bool ch = 1;
        queue<int> q;
        for (int i = 1;i <= n;i++) {
            if (!q.empty() && q.front() + d < i) {
                ch = 0;
                break;
            }
            for (int j = 0;j < (int)bucket[i].size();j++)
                q.push(i);
            for (int j = 1;j <= mid && !q.empty();j++) q.pop();
        }
        if (ch && q.empty()) r = mid;
        else l = mid + 1;
    }
 
 
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• Subtask 1: 100 / 100