Submission #746569

# Submission time Handle Problem Language Result Execution time Memory
746569 2023-05-22T19:34:22 Z hasan_tawsif Job Scheduling (CEOI12_jobs) C++14
100 / 100
418 ms 26572 KB
#include <bits/stdc++.h>

using namespace std;
using LL = long long;

void solve() {
	int n, d, m; cin >> n >> d >> m;
	vector<pair<int, int > > v;
	for (int i = 0; i < m; ++i) {
		int x; cin >> x;
		v.push_back({x, i + 1});
	}
	sort(v.begin(), v.end());
	// for (auto [u, x] : v) cerr << u << " " << x << endl;
	// cerr << "----------------------------------------------\n";
	int lo = 1, hi = m;
	vector<int> ans[n + 1], final[n + 1];
	auto test = [&] (int numOfMachine) {
		for (int i = 1; i <= n; ++i) ans[i].clear();
		int cur = 0, tot = 0, day = 0;
		for (int i = 0; i < m; ) {
			int j = i;
			if (day < v[i].first) cur = 0;
			day = max(day, v[i].first);
			while (j < m and v[i].first == v[j].first) {
				if (day - v[j].first > d) return false;
				ans[day].push_back(v[j].second);
				cur++;
				tot++;
				j++;
	//			if (numOfMachine == 2) cerr << "#" << day << " " << tot << " " << cur << endl;
				if (cur == numOfMachine) cur = 0, day++;
			}
			i = j;
		}
		return tot == m;
	};
	while (lo < hi) {
		int mid = lo + (hi - lo) / 2;
		if (test(mid)) {
			hi = mid;
			for (int i = 1; i <= n; ++i) {
				final[i].clear();
				for (auto u : ans[i]) final[i].push_back(u);
			}
		}
		else lo = mid + 1;
	}
	cout << hi << "\n";
	for (int i = 1; i <= n; ++i) {
		for (auto u : final[i]) cout << u << " ";
		cout << 0 << "\n";
	}
} 

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t = 1; 
//    cin >> t;
    while(t--) solve();
}
# Verdict Execution time Memory Grader output
1 Correct 27 ms 3452 KB Output is correct
2 Correct 37 ms 3468 KB Output is correct
3 Correct 33 ms 3536 KB Output is correct
4 Correct 38 ms 3532 KB Output is correct
5 Correct 29 ms 3468 KB Output is correct
6 Correct 27 ms 3444 KB Output is correct
7 Correct 28 ms 3452 KB Output is correct
8 Correct 28 ms 3536 KB Output is correct
9 Correct 52 ms 7896 KB Output is correct
10 Correct 58 ms 7912 KB Output is correct
11 Correct 41 ms 3144 KB Output is correct
12 Correct 84 ms 5592 KB Output is correct
13 Correct 110 ms 8968 KB Output is correct
14 Correct 179 ms 12412 KB Output is correct
15 Correct 212 ms 13572 KB Output is correct
16 Correct 295 ms 17536 KB Output is correct
17 Correct 320 ms 22084 KB Output is correct
18 Correct 351 ms 20768 KB Output is correct
19 Correct 418 ms 26572 KB Output is correct
20 Correct 310 ms 22064 KB Output is correct