답안 #1015821

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1015821 2024-07-06T21:25:48 Z ssitaram Job Scheduling (CEOI12_jobs) C++17
100 / 100
356 ms 26072 KB
#include <bits/stdc++.h>
using namespace std;

int main() {
	ios::sync_with_stdio(0);
	cin.tie(nullptr);
	int 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].first;
		jobs[i].second = i + 1;
	}
	sort(jobs.begin(), jobs.end());
	auto plan = [&](int mach) -> pair<bool, vector<vector<int>>> {
		vector<vector<int>> pl(n);
		int idx = 0;
		bool works = 1;
		for (int i = 0; i < m; ++i) {
			if (idx == n) {
				works = 0;
				break;
			}
			while (idx < jobs[i].first) {
				++idx;
			}
			pl[idx].push_back(jobs[i].second);
			if (idx > jobs[i].first + d) {
				works = 0;
				break;
			}
			if (pl[idx].size() == mach) {
				++idx;
			}
		}
		return make_pair(works, pl);
	};
	int lo = 1, hi = m;
	while (lo < hi) {
		int mi = (lo + hi) / 2;
		if (plan(mi).first) {
			hi = mi;
		} else {
			lo = mi + 1;
		}
	}
	cout << lo << '\n';
	vector<vector<int>> pl = plan(lo).second;
	for (vector<int>& day : pl) {
		for (int v : day) {
			cout << v << ' ';
		}
		cout << "0\n";
	}
	return 0;
}

Compilation message

jobs.cpp: In lambda function:
jobs.cpp:32:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   32 |    if (pl[idx].size() == mach) {
      |        ~~~~~~~~~~~~~~~^~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 3032 KB Output is correct
2 Correct 32 ms 2928 KB Output is correct
3 Correct 30 ms 2940 KB Output is correct
4 Correct 30 ms 2944 KB Output is correct
5 Correct 30 ms 2948 KB Output is correct
6 Correct 32 ms 3168 KB Output is correct
7 Correct 31 ms 2952 KB Output is correct
8 Correct 31 ms 2892 KB Output is correct
9 Correct 56 ms 7568 KB Output is correct
10 Correct 52 ms 7596 KB Output is correct
11 Correct 33 ms 2652 KB Output is correct
12 Correct 62 ms 5036 KB Output is correct
13 Correct 92 ms 7904 KB Output is correct
14 Correct 149 ms 11048 KB Output is correct
15 Correct 172 ms 11608 KB Output is correct
16 Correct 209 ms 14664 KB Output is correct
17 Correct 242 ms 19140 KB Output is correct
18 Correct 291 ms 19716 KB Output is correct
19 Correct 356 ms 26072 KB Output is correct
20 Correct 258 ms 19176 KB Output is correct