Leetcode 61: Rotate List
Question
Given a linked list, rotate the list to the right by k places, where k is non-negative.
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Leetcode 55: Jump Game
Question Given an array of non-negative integers, you are initially positioned at the first index of the array. [Read More] -
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Leetcode 63: Unique Paths II
Question A robot is located at the top-left corner of a m x n grid (marked ‘Start’ in the diagram below). [Read More] -
Leetcode 62: Unique Paths
Question A robot is located at the top-left corner of a m x n grid (marked ‘Start’ in the diagram below). [Read More] -
Leetcode 59: Spiral Matrix II
Question Given a positive integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. [Read More] -
Leetcode 54: Spiral Matrix
Question Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. [Read More] -
Leetcode 56: Merge Intervals
Question Given a collection of intervals, merge all overlapping intervals. [Read More] -
Leetcode 50: Pow(x, n)
Question Implement pow(x, n), which calculates x raised to the power n (\(x^n\)). [Read More] -
Leetcode 49: Group Anagrams
Question Given an array of strings, group anagrams together. [Read More] -
Leetcode 83: Remove Duplicates from Sorted List
Question Given a sorted linked list, delete all duplicates such that each element appear only once. [Read More] -
Leetcode 43: Permutations II
Question Given a collection of numbers that might contain duplicates, return all possible unique permutations. [Read More] -
Leetcode 43: Multiply Strings
Question Given two non-negative integers num1 and num2 represented as strings, return the product of num1 and num2, also represented as a string. [Read More] -
Leetcode 41: First Missing Positive
Question Given an unsorted integer array, find the smallest missing positive integer. [Read More] -
Leetcode 42: Trapping Rain Water
Question Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining. [Read More]