Given a array of a series of characters (char array from string) reduce multiple spaces to a single space, while preserving the other characters. The swapping needs to take place within the initial array.
Engineer Software Interview Questions
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puzzle: there are 2 cans of size 4 liter and 7 liter. how can you get 2 litters of milk from it.
Suppose you have a huge collection of integer values, in an array or a list or some similar data structure. Now suppose there are exactly two appearances of all integers, except one. In other words, each integer appears twice, in some random order, except 1. How would you find that 1 integer.
Given a sequence of integers and an integer total target, return whether a contiguous sequence of integers sums up to target.
1. K-th largest number in the array
Say the program you are running has stack overflow. You want to know when and where this happens, but you don't want to use debuggers, because they slow. How would you do this?
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.
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