Given a 2D array, find the sum of all the elements in the array. O(n^2) solution is too slow, find ways to optimize (ended up adding a second parameter 2D array).
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Heap Sorting. What data structure do you use to implement it? Time to access and sort. Code it.
Is it possible to sort using linear time a file with lots of numbers that contain duplicates, when there are no limits of resources or space?
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To find least common ancestor in a binary search tree
Write a program to reverse a string
The most difficult was when he asked me if there was any part of my school projects that really tripped me up. When I confessed of a problem I had he asked me to explain what the problem was and then the solution and what I did to fix it. He expected that I learned everything about the problem in order to overcome it.
reverse a string
1. What do you know about our company?
You have a building with 100 stories. You also have two glass balls. You can drop the glass balls as many times as you want before they break. How can you find the floor at which they start breaking with the fewest number of drops?
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