Given an array of integers and an arbitrary integer, find the number of pairs of integers in the array whose sum is equal to the arbitrary integer.
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Find substring 'substr' in string 'str'
Given array of integers representing historic stock prices. Find the buying and selling points to maximize the profit. (original: You can hold the stock for only 30 days maximum.)
Bar raiser Given a NumberPool containing number sequence of numbers from 1 to infinity. Implement an interface, essentially two functions- checkin(N): which adds number to the number pool and makes it available. checkout(): returns minimum number from the pool and makes it unavailable.
Q1) Implement hash table
explain what is hashing and how does hashing works
I only remember three of the technical questions I was asked, in addition to the usual general questions about my experience, skills, and work: 1. write code to replace spaces in a string with a * character (don't just use .replace functions though, hehe) 2. given an array with values that increase, reach some max, then decrease, find the max in less than O(n) + test cases 3. given a linked list that represents two numbers (e.g., 1234 represented by 1->2->3->4 and 5678 rep by 5->6->7->8), add the numbers. singly-linked list
What is the range of numbers that can be stored using a single byte?
Don't remember the exact question but it was related to string and array (Leetcode medium)
Scripting questions in Python like, parse a csv file and extract the name, phone numebers, emails into a dict.
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