80. Remove Duplicates from Sorted Array II
Given an integer array of nums sorted in non-decreasing order, remove some duplicates in-place such that each unique element appears …
Remove Duplicates from Sorted Array
In this tutorial, we will write a simple c program to remove duplicate elements from a sorted array. In order …
Lonely Integer: Given an array of integers, where all elements but one occur twice, find the unique element.
Link to the original problem: Here
Sparse Arrays
There is a collection of input strings and a collection of query strings. For each query string, determine how many …
Divisible Sum Pairs
Given an array of integers and a positive integer k, determine the number of pairs (i, j) where i<j and ar[i] + …
Camel Case 4
Camel Case is a naming style common in many programming languages. In Java, method and variable names typically start with …
Breaking the Records: Finding Max-Min Count in C
Maria plays college basketball and wants to go pro. Each season she maintains a record of her play. She tabulates …
HackerRank: Mini-Max Sum
Given five positive integers, find the minimum and maximum values that can be calculated by summing exactly four of the …
Hacker Rank: Plus Minus
Given an array of integers, calculate the ratios of its elements that are positive, negative, and zero. Print the decimal value of each …