FastPrepFastPrep
Problem Brief

Task Scheduling

INTERNOA

Given a set of n tasks, the ith (0 ≤ i < n) task runs from time start[i] through end[i]. Implement a task scheduler required to find the minimum number of machines required to complete the tasks. A task can be scheduled on exactly one machine, and one machine can run only one task at a time.

Function Description

Complete the function getMinMachines in the editor.

getMinMachines has the following parameters:

  1. int start[n]: the start times of tasks
  2. int end[n]: the end times of tasks

Returns

int: the minimum number of machines required to run all the tasks

𓂃 ོ𓂃⊹ ࣪ ﹏𓊝﹏𓂁﹏ Credit to chizzy_elect ࿐

1Example 1

Input
start = [1, 8, 3, 9, 6], end = [7, 9, 6, 14, 7]
Output
3
Explanation
Consider the following task schedule. Times in parentheses are the inclusive start and end times for each job. - Machine 1: [(1, 7), (8, 9)] - Machine 2: [(3, 6), (9, 14)] - Machine 3: [(6, 7)] Here, the number of machines required is 3.

2Example 2

Input
start = [2, 1, 6, 5, 8], end = [5, 8, 3, 6, 12]
Output
3
Explanation
- Machine 1: [(2, 8)] (this is my educated guess :) - Machine 2: [(1, 3)] (this is my educated guess :) - Machine 3: [(5, 6)] (this comes from the original reference :) If you find anything wrong, plssss lmk!! Many thanks in adavance! 🫶

3Example 3

Input
start = [2, 2, 2, 2], end = [5, 5, 5, 5]
Output
4
Explanation
- Machine 1: [(2, 5)] - Machine 2: [(2, 5)] - Machine 3: [(2, 5)] - Machine 4: [(2, 5)]

Constraints

Limits and guarantees your solution can rely on.

  • 1 ≤ n ≤ 2 * 105
  • 1 ≤ start[i] ≤ end[i] ≤ 109
public int getMinMachines(int[] start, int[] end) {
  // write your code here
}
Input

start

[1, 8, 3, 9, 6]

end

[7, 9, 6, 14, 7]

Output

3

Sign in to submit your solution.