Submission #416390

#	Time	Username	Problem	Language	Result	Execution time	Memory
416390		shubham20_03	Job Scheduling (CEOI12_jobs)	C++17	0 / 100	150 ms	10820 KiB

jobs

#include <bits/stdc++.h>
using namespace std;
#define FAST ios_base::sync_with_stdio(false); cin.tie(NULL)
#define int long long
#define deb1(x) cout << #x << "=" << x << endl;
#define deb2(x, y) cout << #x << "=" << x << ", " << #y << "=" << y << endl;

int N, D, M;
int a[1000300];

bool ok(int m) {
	int cm = 0, cd = 1;
	for (int i = 1; i <= M; i++) {
		if (cm < m) {
			if (a[i] > cd)
				cm = 1, cd = a[i];
			else {
				cm++;
				if (cd - a[i] > D)
					return 0;
			}
		}
		else {
			cm = 1, cd++;
			if (cd - a[i] > D)
				return 0;
		}
	}

	return 1;
}

signed main() {
	FAST;

	cin >> N >> D >> M;
	for (int i = 1; i <= M; i++)
		cin >> a[i];
	sort(a + 1, a + 1 + M);

	int l = 1, r = M, ans = M;
	while (l <= r) {
		int m = l + (r - l) / 2;
		if (ok(m)) ans = m, r = m - 1;
		else l = m + 1;
	}
	cout << ans << endl;
	return 0;
}

• Subtask 1: 0 / 100