Problem Statement Parallel Courses II LeetCode Solution- You are given an integer n, which indicates that there are n courses labeled from 1 to n. You are also given an array relations where relations[i] = [prevCoursei, nextCoursei], representing a prerequisite relationship between course prevCoursei and course nextCoursei: course prevCoursei have to be taken before the course nextCoursei. Also, you are given the …
Problem Statement Employee Free Time LeetCode Solution – We are given a list schedule of employees, which represents the working time for each employee. Each employee has a list of non-overlapping Intervals, and these intervals are in sorted order. Return the list of finite intervals representing the common, positive-length free time for all employees, also in …
Problem Statement Minimum Possible Integer After at Most K Adjacent Swaps On Digits LeetCode Solution – You are given a string num representing the digits of a very large integer and an integer k. You are allowed to swap any two adjacent digits of the integer at most k times. Return the minimum integer you can obtain also …
Problem Statement The Maze III LeetCode Solution – There is a ball in a maze with empty spaces (represented as 0) and walls (represented as 1). The ball can go through the empty spaces by rolling up, down, left or right, but it won’t stop rolling until hitting a wall. When the ball stops, …
Problem Statement Remove Max Number of Edges to Keep Graph Fully Traversable Leetcode Solution- Alice and Bob have an undirected graph of n nodes and 3 types of edges: Type 1: Can be traversed by Alice only. Type 2: Can be traversed by Bob only. Type 3: Can be traversed by both …
Problem Statement Find Minimum in Rotated Sorted Array II LeetCode Solution – Suppose an array of length n sorted in ascending order is rotated between 1 and n times. For example, the array nums = [0,1,4,4,5,6,7] might become: [4,5,6,7,0,1,4] if it was rotated 4 times. [0,1,4,4,5,6,7] if it was rotated 7 times. Notice that rotating an array [a[0], a[1], a[2], …, a[n-1]] 1 time results in the array [a[n-1], a[0], a[1], a[2], …
Problem Statement Reducing Dishes LeetCode Solution – A chef has collected data on the satisfaction level of his n dishes. A chef can cook any dish in 1 unit of time. Like-time coefficient of a dish is defined as the time taken to cook that dish including previous dishes multiplied by its satisfaction …
Problem Statement Minimum Swaps To Make Sequences Increasing LeetCode Solution – You are given two integer arrays of the same length nums1 and nums2. In one operation, you are allowed to swap nums1[i] with nums2[i]. For example, if nums1 = [1,2,3,8], and nums2 = [5,6,7,4], you can swap the element at i = 3 to obtain nums1 = [1,2,3,4] and nums2 = [5,6,7,8]. …
Problem Statement Kth Smallest Product of Two Sorted Arrays LeetCode Solution – Given two sorted 0-indexed integer arrays nums1 and nums2 as well as an integer k, return the kth (1-based) smallest product of nums1[i] * nums2[j] where 0 <= i < nums1.length and 0 <= j < nums2.length. Input: nums1 = [2,5], nums2 = [3,4], k = 2 Output: 8 Explanation: The 2 …
Problem Statement Maximum Number of Ways to Partition an Array LeetCode Solution – You are given a 0-indexed integer array nums of length n. The number of ways to partition nums is the number of pivot indices that satisfy both conditions: 1 <= pivot < n nums[0] + nums[1] + … + nums[pivot – 1] == nums[pivot] + nums[pivot …