Submission #532891

#	Time	Username	Problem	Language	Result	Execution time	Memory
532891		louiskwok	Job Scheduling (CEOI12_jobs)	C++17	55 / 100	448 ms	13636 KiB

jobs

#include <bits/stdc++.h>
using namespace std;
struct Job {
    int id;
    int day;
    bool operator<(const Job arb) const { return day < arb.day; }
} job[1000005];
int n,d,m;
bool possible(int x) {
    int daycnt = 0;
    int it = 1;
    while (it<=m) {
        int cnt = 0;
        daycnt++;
        for (;it<=m&&cnt<x;it++) {
            if (job[it].day+d<daycnt) return false;
            cnt++;
        }
    }
    if (daycnt>n) return false;
    return true;
}
int main() {
    cin >> n >> d >> m;
    for (int i=1;i<=m;i++) {
        cin >> job[i].day;
        job[i].id = i;
    }
    sort(job+1,job+m+1);
    int lo = 1,hi = 1000000;
    while (lo<hi) {
        int mid = lo+(hi-lo)/2;
        if (possible(mid)) hi = mid;
        else lo = mid+1;
    }
    cout << lo << endl;
    int it = 1;
    int daycnt = 0;
    while (it<=m) {
        daycnt++;
        int cnt = 0;
        for (;it<=m&&cnt<lo;it++) {
            cnt++;
            cout << job[it].id << ' ';
        }
        cout << 0 << endl;
    }
    for (int i=daycnt;i<n;i++) cout << 0 << endl;
    return 0;
}

• Subtask 1: 55 / 100