HàPhan 河 (Page 5)

May Leetcode Challenge - Day 16

Odd Even Linked List Given a singly linked list, group all odd nodes together followed by the even ...

2020/05/16 swift algorithm leetcode may challenge

Maximum Sum Circular Subarray Given a circular array C of integers represented by A, find the maxim ...

2020/05/15 swift algorithm may challenge leetcode

Implement Trie (Prefix Tree) Implement a trie with insert, search, and startsWith methods. Example ...

2020/05/14 swift algorithm leetcode may challenge

Remove K Digits Given a non-negative integer num represented as a string, remove k digits from the ...

2020/05/13 swift algorithm may challenge leetcode

Single Element in a Sorted Array You are given a sorted array consisting of only integers where eve ...

2020/05/12 swift algorithm leetcode may challenge

Flood Fill An image is represented by a 2-D array of integers, each integer representing the pixel ...

2020/05/11 swift algorithm may challenge leetcode

Find the Town Judge In a town, there are N people labelled from 1 to N. There is a rumor that one ...

2020/05/10 swift algorithm may challenge leetcode

Valid Perfect Square Given a positive integer num, write a function which returns True if num is a ...

2020/05/09