given the utitlies getFriend(User u) and areFriends(User u1, User u2), write the function which takes as parameter the array of users and return a bool saying if you can divide the users in 2 groups s.t. if u1 and u2 both belong to a certain group, they are not friends.
Check if two strings are Palindrome
Given a set of words, group them into sets of anagrams.
2SUM problem and how to optimize it.
Find the indices of max. value in a large array and return them.
1) Given an array with 0s and other integers. Find the fastest (that use least organizing) way to transfer all the 0s to the right end of that array. 2) Given an array of integer, find 2 numbers that their sum is closest to a specific number.
1. check whether a string is palindrome 2. reverse words in a string
given an array of integers, find 3 integers that sum to zero
Given an array of integers and size find 3 integers that sum to zero. Explain a brute force algorithm
pgm for string length? and explain each part. of program.
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