#java-programming
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Given a collection of candidate numbers (candidates) and a target number (target), find all unique combinations in candidates where the candidate...
Given a collection of numbers, nums, that might contain duplicates, return all possible unique permutations in any order. Example 1: Input: nums =...
Given an unsorted integer array nums, return the smallest missing positive integer. You must implement an algorithm that runs in O(n) time and uses...
Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after...
Given the head of a linked list, remove the nth node from the end of the list and return its head. Example 1: Input: head = [1,2,3,4,5], n =...
