Thirty

Problem You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes contains a single digit. Add the two numbers and...

Problem Given a string, find the length of the longest substring without repeating characters. Example 1 Input: "abcabcbb" Output: 3 Explanation: The answer is "abc", with the length of 3. Example 2 ...

Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have exactly one solution, and you may not use the same e...

Problem There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity should be O(log(m+n))O(log(m+n))O(log(m+n))....