## Design data structure for players and ranks

Given a list of player names and their scores, design a data structure that can support following modules in optimal … Read more

## Maximum Bipartite Matching Problem – Java

Problem: Given a bipartite graph, write an algorithm to find the maximum matching. The maximum bipartite matching solves many problems … Read more

## Minimum Deletions to make the occurrence of each character unique.

Objective: Given a string, your task is to delete the minimum number of characters in the string so that the … Read more

## Print Top 10 videos from List

Given a list L of video names and their watch rates, write a function that will return the videos with … Read more

## Maximum meetings in one room

You have one meeting room at your company. There are N meeting needs to take place. Every meeting has a … Read more

## The number of cycles in a given array of integers.

Objective: Given an array of size N which contains integers from range 0 to N-1. (No duplicates). Write a program … Read more

## Check if given sudoku is valid or not

Problem: Given a filled sudoku, write a program to check if sudoku is valid or following all of its rules. … Read more

## Calculate (x^y)%z without using pow() function

Problem: Given integers x, y, and z. Write a program to calculate (x^y)%z without pow() function. Example: x = 2, … Read more

## Efficient Robot Problem – Find Minimum Trips

Problem: There is N number of items that need to be transferred from one place to another by a robot. … Read more

## Find subarray with a sum to given number-2 | Handle negative numbers

Problem: Given an array (positive and negative) and an integer, find the subarray with sum is equal to the given … Read more

## Sort the two dimensional (2D) array – In-place

Problem: Given a two-dimensional array where each individual row is sorted in ascending order. Your task to sort the entire … Read more

## Implement/Design the version control map system

Problem: Implement the version control map system which takes the snapshot of the versions of data. Implement the following functions: … Read more

## Given an array, count the number of pairs with a given sum.

Objective: Given an array of integers, write a program to count all the pairs with the given sum. Example: Given … Read more