제출 #650832

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
650832		borisAngelov	Job Scheduling (CEOI12_jobs)	C++11	100 / 100	434 ms	26184 KiB

jobs

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

const int MAXN = 100005;

int n, m, d;

vector<pair<int, int>> jobs;

pair<bool, vector<vector<int>>> check(int machines) {
    vector<vector<int>> schedule;
    schedule.resize(n + 1);

    int currJob = 0;

    for (int day = 1; day <= n; day++) {
        for (int j = 0; j < machines; j++) {
            if (jobs[currJob].first > day) break;

            if (jobs[currJob].first + d >= day) {
                schedule[day].push_back({jobs[currJob++].second});
            } else {
                return {false, schedule};
            }

            if (currJob == m) {
                return {true, schedule};
            }
        }
    }

    return {false, schedule};
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cin >> n >> d >> m;

    for (int i = 1; i <= m; i++) {
        int day; cin >> day;
        jobs.push_back({day, i});
    }

    sort(jobs.begin(), jobs.end());

    int l = 1;
    int r = m;

    while (l <= r) {
        int mid = (l + r) / 2;

        if (check(mid).first) r = mid - 1;
        else l = mid + 1;
    }

    cout << l << "\n";

    vector<vector<int>> schedule = check(l).second;

    for (int i = 1; i <= n; i++) schedule[i].push_back(0);

    for (int i = 1; i <= n; i++) {
        cout << schedule[i][0];
        for (int j = 1; j < schedule[i].size(); j++) cout << " " << schedule[i][j];
        cout << "\n";
    }

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

jobs.cpp: In function 'int main()':
jobs.cpp:68:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |         for (int j = 1; j < schedule[i].size(); j++) cout << " " << schedule[i][j];
      |                         ~~^~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100