Leetcode 13: Roman to Integer
Question
Given a roman numeral, convert it to an integer.
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Leetcode 169: Majority Element
Question Given an array of size n, find the majority element. The majority element is the element that appears more than ⌊ n/2 ⌋ times. [Read More] -
Leetcode 217: Contains Duplicate
Question Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element is distinct. [Read More] -
Leetcode 171: Excel Sheet Column Number
Question Related to question Excel Sheet Column Title [Read More] -
Leetcode 226: Invert Binary Tree
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Leetcode 237: Delete Node in a Linked List
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Leetcode 283: Move Zeroes
Question Given an array nums, write a function to move all 0’s to the end of it while maintaining the relative order of the non-zero elements. [Read More] -
Leetcode 100: Same Tree
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Leetcode 292: Nim Game
Question You are playing the following Nim Game with your friend: There is a heap of stones on the table, each time one of you take turns to remove 1 to 3 stones. The one who removes the last stone will be the winner. You will take the first turn... [Read More] -
Leetcode 66: Plus One
Question Given a non-negative integer represented as a non-empty array of digits, plus one to the integer. [Read More] -
Leetcode 104: Maximum Depth of Binary Tree
Question Given a binary tree, find its maximum depth. [Read More] -
Leetcode 206: Reverse Linked List
Question Reverse a singly linked list. [Read More] -
Leetcode 8: String to Integer (atoi)
Question Implement atoi to convert a string to an integer. [Read More] -
VIM Cheetsheet
Normal Mode Note: Prefix a cursor movement command with a number to repeat it. For example, 4j moves down 4 lines. [Read More]