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 …
How to find the Size of structure without sizeof() Operator?
In this tutorial, we will see how to find the size of a structure without using the sizeof() operator. This …
Dynamic Memory Allocation through Double Pointer and Function without returning address
In this tutorial, we will see how to allocate memory on a heap through a function without returning the address …
What are Static functions and where are they used?
Static functions are similar to static variables. As we have discussed the scope and use of static variables in the …