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Prashant Mishra @prashantrmishra

Optimizing Job Scheduling For Maximum Profit

Sort jobs by profit in descending order, then schedule as close to deadline as possible. Use a slot array to keep track of assigned jobs and maximize profit.

Problem

class Solution {
    // sort on the basis of profit in descending order and try to execute the jobs as close to their deadline as possible
    ArrayList<Integer> JobScheduling(Job jobs[], int n) {
        // Your code here
        Arrays.sort(jobs,(a,b)-> b.profit-a.profit);
        int maxDeadline= -1;
        for(int i=0;i<jobs.length;i++){
            maxDeadline = Math.max(maxDeadline, jobs[i].deadline);
        }
        int slots[]  = new int[maxDeadline];
        Arrays.fill(slots,-1);
        int profit = 0;
        int noOfJobs = 0;
        for(int i =0;i<jobs.length;i++){...