Given a string, find the length of the longest substring without repeati...

You are given two linked lists representing two non-negative numbers. Th...

Given an array of integers, return indices of the two numbers such that ...

Given two arrays, write a function to compute their intersection.Example...

Given two arrays, write a function to compute their intersection.Example...

Given a non-negative integer n, count all numbers with unique digits, x,...

Given a positive integer num, write a function which returns True if num...

Calculate the sum of two integers a and b, but you are not allowed to us...

We are playing the Guess Game. The game is as follows:I pick a number fr...