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Implement the myAtoi(string s) function, which converts a string to a 32-bit signed integer. The algorithm for myAtoi(string s) is […]

Given a signed 32-bit integer x, return x with its digits reversed. If reversing x causes the value to go

The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want

Given a string s, return the longest palindromic substring in s. Example 1: Input: s = "babad" Output: "bab" Explanation:

Given two sorted arrays nums1 and nums2 of size m and n respectively, return the median of the two sorted

Given a string s, find the length of the longest substring without duplicate characters.   Example 1: Input: s =

You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order, and each

Given an array of integers nums and an integer target, return indices of the two numbers such that they add up

You have two soups, A and B, each starting with n mL. On every turn, one of the following four serving operations is chosen at random,

Fruits are available at some positions on an infinite x-axis. You are given a 2D integer array fruits where fruits[i] = [positioni, amounti] depicts amounti fruits

You are given two positive integers n and limit. Return the total number of ways to distribute n candies among 3 children such that no child gets more than limit candies. Example