Submission #693451

#	Time	Username	Problem	Language	Result	Execution time	Memory
693451		ojuzuser12	Job Scheduling (CEOI12_jobs)	C++17	55 / 100	223 ms	13712 KiB

jobs

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

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    long long N, D, M; cin >> N >> D >> M;
    vector<pair<int, int>> jobs(M);
    for(int i = 0; i < M; i++) {
        cin >> jobs[i].first;
        jobs[i].second = i;
    }
    sort(jobs.begin(), jobs.end());
    long long l = 1, r = M, mid;
    while(l < r) {
        mid = (l + r) / 2;
        bool works = ((M + mid - 1) / mid <= N);
        for(long long d = 0; d < min((M + mid - 1) / mid, N); d++) {
            for(long long i = d * mid; i < min(M, (d + 1) * mid); i++) {
                if(d + 1 - jobs[i].first > D) {
                    works = false;
                    break;
                }
            }
            if(!works) break;
        }
        if(works) {
            r = mid;
        } else {
            l = mid + 1;
        }
    }
    cout << r << '\n';
    for(long long d = 0; d < N; d++) {
        for(long long i = (long long) d * r; i < min((long long) M, (long long) (d + 1) * r); i++) {
            cout << jobs[i].second + 1 << ' ';
        }
        cout << 0 << '\n';
    }
}

• Subtask 1: 55 / 100