Problem Statement The Arranging Coins LeetCode Solution – “Arranging Coins” asks you to build a staircase with these coins. The staircase consists of k rows, where ith row consists of exactly i coins. The last row of the staircase may not be complete. For the given amount of coins, return …
Problem Statement The Odd-Even Linked List LeetCode Solution – “Odd-Even Linked List” states that given a non-empty singly linked list. We need to group all nodes with odd indices together followed by the nodes with even indices, and return the reordered list. Note that the relative order inside both the …
Problem Statement The Add Two Numbers II LeetCode Solution – “Add Two Numbers II” states that two non-empty linked lists represent two non-negative integers where the most significant digit comes first and each node contains exactly one digit. We need to add the two numbers and return the sum as …
Problem Statement The Substring with Concatenation of All Words LeetCode Solution – “Substring with Concatenation of All Words” states that given a string s and an array of string words where each word is of the same length. We need to return all starting indices of the substring that is …
Problem Description: The Concatenation of Array Leetcode Solution: states that Given an integer array nums of length n, you want to create an array ans of length 2n where ans[i] == nums[i] and ans[i + n] == nums[i] for 0 <= i < n (0-indexed). Specifically, ans is the concatenation of two nums arrays. Return the array ans. Let’s first try to understand the problem and what it states. The problem …
Problem Statement The Sliding Window Median LeetCode Solution – “Sliding Window Median” states that given an integer array nums and an integer k, where k is the sliding window size. We need to return the median array of each window of size k. Example: Input: [1,3,-1,-3,5,3,6,7], k = 3 Output: [1.00000,-1.00000,-1.00000,3.00000,5.00000,6.00000] Explanation: Median …
Problem Statement The Divide Two Integers LeetCode Solution – “Divide Two Integers” states that you’re given two integers dividend and divisor. Return the quotient after dividing the dividend by the divisor. Note that we’re assuming that we’re dealing with an environment that could store integers within a 32-bit signed integer …
Problem Statement The kth Factor of n Leetcode Solution: states that you are given two positive integers n and k. A factor of an integer n is defined as an integer i where n % i == 0. Consider a list of all factors of n sorted in ascending order, return the kth factor in this list or return -1 if n has less than k factors. Example 1: Input: …
Problem Statement The Daily Temperatures Leetcode Solution: states that given an array of integers temperatures represents the daily temperatures, return an array answer such that answer[i] is the number of days you have to wait after the ith day to get a warmer temperature. If there is no future day for which this is possible, keep answer[i] == 0 instead. …
Problem Statement The Different Ways to Add Parentheses LeetCode Solution – “Different Ways to Add Parentheses” states that given a string expression of numbers and operators. We need to return all possible results from computing all different possible ways to group numbers and operators. Return the answer in any order. …