Submission #970942

#	Time	Username	Problem	Language	Result	Execution time	Memory
970942		jadai007	Job Scheduling (CEOI12_jobs)	C++14	0 / 100	109 ms	14176 KiB

jobs

#include<bits/stdc++.h>

using namespace std;

int n, d, m, day[1000100];
vector<int> times[100100];

int main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> n >> d >> m;
    for(int i = 1; i <= m; ++i){
        cin >> day[i];
        times[day[i]].push_back(i);
    }
    int l = 1, r = 1e9;
    while(l < r){
        int mid = (l + r) >> 1, check = true;
        queue<int> q;
        for(int i = 1; i<=n; ++i){
            int k = mid;
            for(auto x:times[i]) q.push(x);
            while(k-- && !q.empty()) q.pop();
            if(!q.empty() && day[q.front()] + d == i){
                check = false;
                break;
            }
        }
        if(check) r = mid;
        else l = mid+1;
    }
    cout << l;
}

• Subtask 1: 0 / 100