Submission #496173

#	Time	Username	Problem	Language	Result	Execution time	Memory
496173		aryan12	Job Scheduling (CEOI12_jobs)	C++17	100 / 100	239 ms	24252 KiB

jobs

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

mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());

void Solve() {
	int n, d, m;
	cin >> n >> d >> m;
	vector<pair<int, int> > a(m + 1);
	for(int i = 1; i <= m; i++) {
		cin >> a[i].first;
		a[i].second = i;
	}
	sort(a.begin() + 1, a.end());
	a[0] = {-1, -1};
	int l = 1, r = m;
	int mid, ans = r + 1;
	while(l <= r) {
		mid = (l + r) >> 1;
		int cur_day = a[1].first, cur_cnt = 0, f = 0;
		for(int i = 1; i <= m; i++) {
			if(cur_cnt == mid) {
				cur_day++;
				cur_cnt = 0;
			}
			if(a[i].first > cur_day) {
				cur_day = a[i].first;
				cur_cnt = 0;
			}
			if(cur_day - a[i].first > d) {
				f = 1;
				break;
			}
			cur_cnt++;
		}
		if(f == 1) {
			l = mid + 1;
		}
		else {
			r = mid - 1;
			ans = mid;
		}
	}
	cout << ans << "\n";
	int pos = 1;
	for(int i = 0; i < n; i++) {
		int cur_cnt = 0;
		while(pos != m + 1 && a[pos].first <= i + 1 && cur_cnt != ans) {
			cur_cnt++;
			cout << a[pos++].second << " ";
		}
		cout << "0\n";
	}
}

int32_t main() {
	auto begin = std::chrono::high_resolution_clock::now();
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int t = 1;
	//cin >> t;
	while(t--) {
		Solve();
	}
	auto end = std::chrono::high_resolution_clock::now();
    auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
    cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n"; 
	return 0;
}

• Subtask 1: 100 / 100