find pair of numbers out of sorted array whose sum equal to given number
Software Development Engineer Interview Questions
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Remove a node from Linked list when address of same node is given
Combination Problem: Write a method that finds all the unique unsorted combinations of a unknown element list without using any loops.
Given a building with 100 floors and windowpanes which can break if launched from the nth floor. Find out on which floor the windowpanes will break using only two on them.
The first question he gave to me, design a cab booking system (he just want a brief about how I'm going to define my entities) Use cases: 1. user can book a ride. 2. user can store favorite locations 3. user can view past bookings 4. new drivers can sign up 5. driver can view past bookings The next question was given an integer N and D I had to add the smallest possible number in N so that N doesn't contain the digit D. Test case1 : N = 100 , D=0, output = 11 Test case2 : N = 5925, D=9, output = 75
Given a string s of length n and an index i (0 <= i <= n). Using only constant extra space, how do you manipulate the string in-place to yield the string s[i, i+1, ... , n-1, 0, 1, ..., i-1]?
you have 9 marbles, all of them identical except one of them is slightly heavier than the rest. in order to determine which is the heaviest, you have a balancing scale, however you are only allowed to use it twice. how do you determine the heaviest marble?
Write a function (in your preferred language C, C++, or Java) that will take the given string and return the reverse. (ie. input:"abc def ghi" output:"ihg fed cba") Optimize the above code (if possible). Now knowing that the original function you wrote in pt1 is being used by other programs and cannot be modified write another function that when called will utilize the function from pt1 to only reverse the words in the sentence. (ie. input:"abc def ghi" output:"ghi def abc") Test your code.
design an elevator(uml+implementation+threads& syncroniczation and locking)
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