1) how do find out if there is a path from root to leaf whose summation= given number?
Software Development Engineer Interview Questions
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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.
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)
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