Prime numbers list

List of prime numbers Write a C++ program to find the prime numbers between 100 and 10000 What is a prime number Definition: A number (N) is prime if it has no divisors except 1 and (N) Prime number calculator …

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Swap variables interview question

Swapping two variables without a temp Given two integer variables A and B. Write C++ code to swap them without using a temporary variable. Solution This is a well known problem for which you can find so many references on …

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Palindrome string program in C

Problem Write a C++ algorithm that takes a string as input then check if the input string is Palindrome. A Palindrome string reads the same from left to right and from right to left as in the following example: Rats …

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Reverse string in c++

Problem A typical interview question is to describe an algorithm to reverse a string of characters. Solution We need one pass through the characters of the string to get the string length or use a built in function to get …

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Number of Iterations

Problem If you run the following block of java code. How many times the print statement is going to execute. public class Counting { public static void main(String[] args)   {   for (int i = 0; i < 100; …

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Sql relational division example

Problem Given the following database tables Employee (SSN, name, location) Assigned (SSN, project_name, duration) Project (project_name, category, budget, location) Write SQL statements to find the following: Project names with a budget smaller than the average budget of projects in a …

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Character count in string Java

Problem Write a Java program to find character counts in a string consisting from capital letters (A to Z) only. The program must not use nested loops. Hash tables that are built in to the language must not be used …

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