Submission #775745

#	Time	Username	Problem	Language	Result	Execution time	Memory
775745		NK_	Job Scheduling (CEOI12_jobs)	C++17	100 / 100	236 ms	24988 KiB

jobs

// Success consists of going from failure to failure without loss of enthusiasm
#include <bits/stdc++.h>

using namespace std;

#define nl '\n'
#define pb push_back
#define sz(x) int(x.size())

template<class T> using V = vector<T>;

int main() {
	cin.tie(0)->sync_with_stdio(0);
	
	int N, D, M; cin >> N >> D >> M;
	V<V<int>> C(N); for(int i = 0; i < M; i++) {
		int t; cin >> t; --t;
		C[t].pb(i);
	}

	V<V<int>> ans(N);
	queue<pair<int, int>> in;
	auto check = [&](int x) -> bool {
		ans = V<V<int>>(N);
		in = {};

		for(int i = 0; i < N; i++) {
			if (sz(in) && in.front().first <= i) return 0;

			int end = i + D + 1;
			for(auto& c : C[i]) in.push(pair<int, int>{end, c});

			int left = x;
			while(left-- && sz(in)) {
				ans[i].push_back(in.front().second);
				in.pop();
			}
		}

		return sz(in) == 0;
	};

	int lo = 0, hi = M + 1;
	while(lo < hi) {
		int mid = (lo + hi) / 2;
		if (check(mid)) hi = mid;
		else lo = mid + 1;
	}

	check(lo);

	cout << lo << nl;
	for(int i = 0; i < N; i++) {
		for(auto x : ans[i]) cout << x + 1 << " ";
		cout << 0 << nl;
	}
	cout << nl;


    return 0;
}

• Subtask 1: 100 / 100