# Category: hashing

## Next Greater Frequency Element

“Next Greater Frequency Element” is a standard problem of stack data structure. Here, in this problem, we are given an array and our task is to write a program to find the next (right...

## Find Majority Element of an Array

“Find Majority Element of an Array” is one of the most favorite technical interview problem based on array data structure. Here, we are given an array of size ‘n’ and our task is to...

## First Repeating Element of an Array

“First Repeating Element of an Array” is an important and one of the favorite technical interview problems. Here, we are given an array of ‘n’ element and Our task is to find the first...

## Pair in an Array with Given Sum

“Pair in an Array with Given Sum” is one of the favorite technical interview problems. Here, we are given an array with ‘n’ elements and a target value ‘x’. Our task is to find...

## Most Frequent Element of an Array

“Most Frequent Element of an Array” is one of the favorite technical interview problem. Here, we are given an array of ‘n’ elements and Our task is to find the most frequent element of...

## Find First Non-Repeating Character of the String

“Find First Non-Repeating Character of the String” is a very important and popular problem asked in many technical interviews of product-based companies.  Here, we are given a string of length ‘n’ and our task...

## Check whether given string is Panagram String or not

“Check whether given string is Panagram String or not” is a very popular and basic problem of string data structure, asked in many technical interviews. Here, we are given a string of length ‘n’...

## Check Whether String is Palindromic Anagram or Not

“Check Whether String is Palindromic Anagram or Not” is popular interview problem asked in many technical and algorithmic interviews. Here, we are given a string and our task is to check whether a string...

## Check Anagram String

“Check Anagram Strings” is a very important and one of the most asked technical interview problems based on string data structure.  Here, we are given two strings and our task is to check whether...

## Find Most Frequent character of the String

“Find Most Frequent character of the String” is a problem of string data structure. Here, we are given a string of length ‘n’ and our task is to find the most frequent character of...