IBM Interview Questions

Convert a given integer into its Roman numeral representation. You need to understand the mapping between integer values and Roman symbols to perform the conversion accurately.

Calculate the exclusive execution time for each function given a series of log entries marking function calls and returns. The exclusive time is the time spent within a function, not including time spent in its callees.

Write a program that prints numbers from 1 to n, replacing multiples of 3 with "Fizz", multiples of 5 with "Buzz", and multiples of both with "FizzBuzz".

Convert a Roman numeral string into its corresponding integer value. The input string will represent a valid Roman numeral.

You're given daily stock prices. Find the maximum profit you can make by buying and selling the stock once. You must buy before you sell.

Find two numbers in a given array that add up to a specific target value, and return their indices. Essentially, you need to efficiently locate the pair that satisfies the sum requirement.

You are given a list of ranges. Determine the number of ways you can group overlapping ranges into connected components.

You are given a list of meeting time intervals. Determine the minimum number of conference rooms required to accommodate all the meetings without any overlap.

Find the smallest absolute difference between any two elements in a given array of numbers. Return this minimum difference.

Given an array of integers, determine how many triplets sum up to a multiple of a given number. Count the number of such divisible triplets.

You are given an array of integers. Find the minimum number of operations needed to make all elements in the array equal, where an operation involves incrementing or decrementing a single element by 1.

You are given a square matrix representing an image. Rotate the image by 90 degrees clockwise in-place.

Find the minimum number of moves required to make all elements in an array equal, where a move consists of incrementing n - 1 elements by 1.

Find the length of the longest substring within a given string that contains no repeating characters. The substring must be contiguous.

You are given an array and a target value K. Determine the minimum number of operations needed to make the median of the array equal to K, where an operation involves changing an array element to any value.

Find the maximum profit you can achieve by selecting three items from a price list at increasing indices and prices. Essentially, you want to find increasing triplets that maximize profit.

Two players alternate turns. Given the results of each game, determine the first player to win K games consecutively, or if no one wins.

Find the kth factor of a given number n. If n has fewer than k factors, return -1.

You are given an array of strings. Determine how many strings within given ranges start and end with a vowel.

Imagine navigating a dungeon with rooms containing energy. Find the maximum energy you can collect by strategically choosing which rooms to enter, considering that entering some rooms might reduce your current energy level.