Leetcode problem 72 - Remove Duplicates from Sorted Array
Given an integer array nums sorted in non-decreasing order, remove the duplicates in-place such that each unique element appears only once. The relative orde...
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Leetcode problem 71 - Merge Sorted Array
You are given two integer arrays nums1 and nums2, sorted in non-decreasing order, and two integers m and n, representing the number of elements in nums1 and ...
Leetcode problem 70 - Destination City
You are given the array paths, where paths[i] = [cityAi, cityBi] means there exists a direct path going from cityAi to cityBi. Return the destination city, t...
Leetcode problem 69 - Partition Labels
You are given a string s. We want to partition the string into as many parts as possible so that each letter appears in at most one part.
Leetcode problem 68 - Find the Prefix Common Array of Two Arrays
You are given two 0-indexed integer permutations A and B of length n.