LeetCode

Total Accepted: 11381 Total Submissions: 35254 Given an array and a value, remove all instances of that value in place and return the new length. The order of elements can be changed. It doesn't mat

Total Accepted: 12841 Total Submissions: 39914 Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists.

Total Accepted: 11913 Total Submissions: 37576 Given two sorted integer arrays A and B, merge B into A as one sorted array. Note: You may assume that A has enough space (size that is greater or equ

Total Accepted: 9476 Total Submissions: 35578

Total Accepted: 12160 Total Submissions: 38223 Given a linked list, swap every two adjacent nodes and return its head. For example, Given 1->2->3->4, you should return the list as 2->1->4->

Total Accepted: 14403 Total Submissions: 41497 Given a linked list, determine if it has a cycle in it. Follow up: Can you solve it without using extra space?

Total Accepted: 10163 Total Submissions: 33266 Given a linked list, return the node where the cycle begins. If there is no cycle, return null. Follow up: Can you solve it without using extra space?

Total Accepted: 9118 Total Submissions: 33975 Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Return the sum of the three intege

Total Accepted: 12950 Total Submissions: 78829 Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the s