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Assign Short Codes in Stream of WordsA railway department is renaming several cities, and the corresponding railway station codes must also be updated.Given an array cities[] containing the names of n cities ... Read More
Permutation Divisibility by 4You are given a number. Your task is to check if there exists a permutation of the digits of this number which is divisible by 4. Examples:Input: 003 Output: trueExplanat... Read More
First n Kaprekar NumbersGiven an integer n, return the first n Kaprekar numbers. A Kaprekar number is a positive integer k such that when k² is split into two parts, where the right part contains... Read More
Final Amount using Compound InterestGiven four integers p, r, t, and n representing the principal amount, annual interest rate (in percentage), time period (in years), and the number of compounding periods p... Read More
Game Development with Unity Interview Questions and AnswersGame development interviews evaluate a candidate's understanding of programming, object-oriented concepts, Unity fundamentals, game mechanics, optimization, debugging and ... Read More
Number SquaresGiven an array arr[] of n unique numeric strings, all of the same length, find all possible arrangements of these strings that form a number square. Strings from the list ... Read More
Characteristics of Living OrganismsLiving organisms are distinguished from non-living objects by the presence of certain unique characteristics that enable them to perform various life processes. Although l... Read More
First range of composite of given lengthGiven an integer n, find the first range of n consecutive positive integers such that all numbers in the range are composite. Return the starting and ending values of that... Read More
Append SuffixGiven an array arr[] of strings containing lowercase English letters. For each string, if it has already appeared earlier in the array, append a suffix equal to the number... Read More
Check if Digits are Sorted in Any OrderGiven a number in string, find if its digits are sorted or not. Digits are considered sorted in both non-decreasing order and non-increasing order. Examples:Input: s = "12... Read More
Hexadecimal Number System Practice QuestionsThe hexadecimal number system is a number system that uses 16 symbols to represent numbers. It is also called the base-16 number system.Example 1: Convert Hexadecimal 1A5 ... Read More
Octal Number System Practice QuestionsThe octal number system is a number system that uses eight digits: 0 to 7. It is also called the base-8 number system.Example 1: What is the decimal equivalent of 11218?So... Read More
Binary Number System Solved ExamplesThe binary number system is a number system that uses only two digits: 0 and 1. It is also called the base-2 number system.Example 1: Convert the Decimal Number (98)10 int... Read More