Submission #699403

#	Time	Username	Problem	Language	Result	Execution time	Memory
699403		Richw818	Job Scheduling (CEOI12_jobs)	C++17	100 / 100	221 ms	14156 KiB

jobs

/**
 *      Author:  Richw818
 *      Created: 02.16.2023 16:09:58
**/

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

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, d, m; cin >> n >> d >> m;
    vector<vector<int>> inds(n);
    for(int i = 0; i < m; i++){
        int j; cin >> j;
        j--;
        inds[j].push_back(i);
    }
    auto check = [&](int machines) -> bool {
        queue<int> can;
        for(int day = 0; day < n; day++){
            if(!can.empty() && day > can.front() + d) return false;
            for(int i = 0; i < (int)inds[day].size(); i++) can.push(day);
            int take = min(machines, (int)can.size());
            for(int i = 0; i < take; i++) can.pop();
        }
        return true;
    };
    int l = 1, r = m + 1;
    while(l < r){
        int mid = (l + r) / 2;
        if(check(mid)) r = mid;
        else l = mid + 1;
    }
    cout << l << '\n';
    queue<int> can;
    for(int day = 0; day < n; day++){
        for(int i : inds[day]) can.push(i);
        int take = min((int)can.size(), l);
        for(int i = 0; i < take; i++){
            cout << can.front() + 1 << ' ';
            can.pop();
        }
        cout << 0 << '\n';
    }   
    return 0;
}

• Subtask 1: 100 / 100