Submission #933093

#	Time	Username	Problem	Language	Result	Execution time	Memory
933093		agg	Job Scheduling (CEOI12_jobs)	C++17	100 / 100	168 ms	7888 KiB

jobs

#include <stdio.h>
#include <iostream>
#include <deque>

using namespace std;

typedef long long ll;

int main() {
    int N, M, D;
    int cnt[1000000];
    cin >> N >> D >> M;

    for (int i = 0; i < M; i++) {
        int x;
        cin >> x;
        cnt[x]++; // budget counter
    }

    int l = 1, r = M, ans = 0;
    while (l <= r) { // bin search
        int mid = (l + r) >> 1;
        deque<int> dq;
        for (int i = 1; i <= N; i++) {
            if (dq.size() && dq.front() < i)
                break;
            for (int j = 0; j < cnt[i]; j++) // put in the jobs
                dq.push_back(i + D);
            for (int j = 0; j < mid; j++) {
                if (dq.empty())
                    break;
                dq.pop_front(); // remove allocated items up to mid
            }
        }

        if (dq.empty()) { // if no options then change downward
            r = mid - 1;
            ans = mid;
        } else { // go upward
            l = mid + 1;
        }
    }

    cout << ans << '\n';
    for (int i = 0; i < N; i++)
        cout << 0 << '\n';

    return 0;
}

• Subtask 1: 100 / 100