Submission #254445

#	Time	Username	Problem	Language	Result	Execution time	Memory
254445		shrek12357	Job Scheduling (CEOI12_jobs)	C++14	0 / 100	393 ms	6680 KiB

jobs

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <map>
#include <set>
#include <climits>
#include <cmath>
#include <fstream>
#include <queue>
using namespace std;

int main() {
	int n, d, m;
	cin >> n >> d >> m;
	vector<int> nums(n);
	map<int, vector<int>> cows;
	for (int i = 0; i < m; i++) {
		int temp;
		cin >> temp;
		temp--;
		nums[temp]++;
		cows[temp].push_back(i + 1);
	}
	int lo = 0;
	int hi = 1000005;
	while (lo < hi) {
		int mid = (lo + hi) / 2;
		vector<int> temp = nums;
		int idx = 0;
		bool bad = false;
		for (int i = 0; i < n; i++) {
			if (idx + d < i && idx != n - d) {
				bad = true;
				break;
			}
			int tCounter = mid;
			while (idx <= i && tCounter > 0) {
				if (idx == n - d) {
					break;
				}
				if (temp[idx] > tCounter) {
					temp[idx] -= tCounter;
					break;
				}
				else {
					tCounter -= temp[idx];
					temp[idx] = 0;
					idx++;
				}
			}
		}
		if (!bad) {
			hi = mid;
		}
		else {
			lo = mid + 1;
		}
	}
	cout << hi << endl;
	/*
	int ans = 0;
	int countDays = 0;
	for (int i = 0; i < n; i++) {
		for (auto p : cows[i]) {
			cout << p << " ";
			ans++;
			if (ans == hi) {
				ans = 0;
				cout << 0 << endl;
				countDays++;
			}
		}
	}
	for (int i = 0; i < n - countDays; i++) {
		cout << 0 << endl;
	}
	*/
}

• Subtask 1: 0 / 100