Submission #645486

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
645486	2022-09-27T08:51:17 Z	kalash04	Job Scheduling (CEOI12_jobs)	C++17	100 / 100	243 ms	21964 KB

jobs

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#define int long long int

bool check(vector<pair<int, int>>& a, int machines, int delay, int n) {
	int left = machines;
	int i = 0;
	for(int day = 1; day <= n; day++) {
		left = machines;
		while(i < a.size() and a[i].first <= day) {
			if(left > 0) {
				if(a[i].first + delay < day) return false;
				left--;
				i++;
			} else {
				break;
			}
		}
	}
	return (i == a.size());
}

void getday(vector<pair<int, int>>& a, int machines, int delay, int n) {
	int left = machines;
	int i = 0;
	for(int day = 1; day <= n; day++) {
		left = machines;
		while(i < a.size() and a[i].first <= day) {
			if(left > 0) {
				cout << a[i].second << " ";
				left--;
				i++;
			} else {
				break;
			}
		}
		cout << "0\n";
	}
}

void solve() {
	int n, d, m;
	cin >> n >> d >> m;
	vector<pair<int, int>> a(m);
	for(int i = 0; i < m; i++) {
		cin >> a[i].first;
		a[i].second = i + 1;
	}
	sort(a.begin(), a.end());
	int l = 0, r = m;
	while(l < r) {
		int mid = l + (r - l) / 2;
		bool flag = check(a, mid, d, n);
		if(flag) {
			r = mid;
		} else {
			l = mid + 1;
		}
	}
	cout << l << "\n";
	getday(a, l,d, n);
}
 
int32_t main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
  cout.tie(NULL);
	solve();
}

Compilation message

jobs.cpp: In function 'bool check(std::vector<std::pair<long long int, long long int> >&, long long int, long long int, long long int)':
jobs.cpp:12:11: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |   while(i < a.size() and a[i].first <= day) {
      |         ~~^~~~~~~~~~
jobs.cpp:22:12: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |  return (i == a.size());
      |          ~~^~~~~~~~~~~
jobs.cpp: In function 'void getday(std::vector<std::pair<long long int, long long int> >&, long long int, long long int, long long int)':
jobs.cpp:30:11: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |   while(i < a.size() and a[i].first <= day) {
      |         ~~^~~~~~~~~~

Subtask #1

100.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	16 ms	2640 KB	Output is correct
2	Correct	17 ms	2636 KB	Output is correct
3	Correct	17 ms	2672 KB	Output is correct
4	Correct	17 ms	2544 KB	Output is correct
5	Correct	19 ms	2632 KB	Output is correct
6	Correct	16 ms	2636 KB	Output is correct
7	Correct	16 ms	2644 KB	Output is correct
8	Correct	16 ms	2508 KB	Output is correct
9	Correct	26 ms	2872 KB	Output is correct
10	Correct	26 ms	2772 KB	Output is correct
11	Correct	24 ms	2624 KB	Output is correct
12	Correct	54 ms	5156 KB	Output is correct
13	Correct	74 ms	7428 KB	Output is correct
14	Correct	105 ms	10188 KB	Output is correct
15	Correct	126 ms	12300 KB	Output is correct
16	Correct	155 ms	15200 KB	Output is correct
17	Correct	192 ms	17220 KB	Output is correct
18	Correct	206 ms	19772 KB	Output is correct
19	Correct	243 ms	21964 KB	Output is correct
20	Correct	196 ms	17024 KB	Output is correct