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There are a total of n tasks you have to pick, labelled from 0 to n-1. Some tasks may have prerequisite tasks, for example to pick task 0 you have to first finish tasks 1, which is expressed as a pair: [0, 1]Given the total number of n tasks and a li

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2025年3月12日 · To solve the problem follow the below idea: A simple solution is to consider all subsets of items and calculate the total weight and profit of all subsets. Consider the only subsets whose total weight is smaller than W. From all such subsets, pick the subset with maximum profit.

Master the foundations of DSA, developing problem-solving techniques to excel in coding interviews and real-world applications. Delve into key concepts such ...

2023年8月17日 · Put these items in the knapsack in order to maximise the value of all the placed items without exceeding the limit of the Knapsack. 0-1 Knapsack Problem. The problem remains the same but one cannot break the items you can either select it fully ( 1) or don’t select it (0 ). Confused about your next job?

There are a total of numCourses courses you have to take, labeled from 0 to numCourses - 1. You are given an array prerequisites where prerequisites[i] = [a i, b i] indicates that you must take course b i first if you want to take course a i. For example, the pair [0, 1], indicates that to take course 0 you have to first take course 1.

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Single Number - Given a non-empty array of integers nums, every element appears twice except for one. Find that single one. You must implement a solution with a linear runtime complexity and use only constant extra space.

Combination Sum - Given an array of distinct integers candidates and a target integer target, return a list of all unique combinations of candidates where the chosen numbers sum to target. You may return the combinations in any order. The same number may be chosen from candidates an unlimited number of times.