Given an array of unsorted integers, determine which number appears most often.
Informatico Interview Questions
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How to detect loops in a linked list without using a data structure
Write out merge sort and apply it to two arrays of integers.
Given a string that has various brackets (e.g. “{“, “(“, “[“, “}”, “)”, “]”) built into it, how would one tell that the string has a balanced number of brackets and in order?
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Two trains, each moving at 20 miles per hour towards each other, are initially 60 miles apart. A bee starts at the front of one train, flies to the other train, then back to the first train, and so on. If the bee always flies at 30 miles per hour, how far does the bee fly before the trains collide?
What can you do to a method in a parent class so that it's not overriden by a method in child class with same name?
You have 10 boxes of balls (each ball weighing exactly10 gm) with one box with defective balls (each one of the defective balls weigh 9 gm). You are given an electronic weighing machine and only one chance at it. How will find out which box has the defective balls?
Find 2 or more missing numbers in a set of 100 natural numbers
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