Tag Archives: cpp-map

Count unique domains from given List of Emails

Given an array arr[] containing N email addresses with different domains, the task is to find the unique domains and their frequencies from the list… Read More

cpp-map

Build a custom Map using Header file in C++

Hard

Maps are associative containers that store elements in a mapped fashion. Each element has a key value and a mapped value. No two mapped values… Read More

Find digits present in given jumbled String

Given a string s of length N, containing digits written in words but in jumbled form, the task is to find out the digits present… Read More

Replace all occurrences of X by Y or add element K in Array for Q queries

Given an empty array A[] & Q queries of two types 1 and 2 represented by queries1 and queries2 respectively, the task is to find… Read More

Find given occurrences of Mth most frequent element of Array

Hard

Given an array arr[], integer M and an array query[] containing Q queries, the task is to find the query[i]th occurrence of Mth most frequent… Read More

Find Median of the Array formed from given frequencies of elements

Given an array A[] containing N elements of an array and their frequency in that array (say arr[]), the task is to find the median… Read More

Different Ways to Initialize a Map in C++

Map is an associative container available in the C++ Standard Template Library(STL) that is used to store key-value pairs. Let’s see the different ways to… Read More

cpp-map

STL

C++

Check if two given strings are isomorphic to each other | Set 2 (Using STL)

Easy

Given two strings str1 and str2, the task is to check if the two strings are isomorphic to each other. Two strings str1 and str2… Read More

Print and remove leaf nodes of given Binary Tree on each iteration

Given a binary tree, the task is to: Print all the leaf nodes and then delete them all. Repeat this process till the tree becomes… Read More

Lexicographically largest string formed by choosing words from given Sentence as per given Pattern

Hard

Given a sentence S and a string B having distinct characters, find a string by joining the words of S according to given conditions:- Choose… Read More

cpp-map

lexicographic-ordering

Pattern Searching

Strings

Merge two Maps of Array into one sorted Map of Array

Given two maps map1 and map2 having a string as the key and arrays of integers as values, the task is to merge them in… Read More

cpp-map

Geeks-Premier-League-2022

Arrays

Data Structures

Geeks Premier League

Find largest positive integer x missing from unsorted array such that min(arr[]) < x < max(arr[])

Given an array arr[] containing integers. The task is to find the largest positive integer x missing from the array such that min(arr[]) < x… Read More

Count elements in Array appearing only once and don’t have its consecutive next and previous present

Given an array arr[]. The task is to count elements in the array that appears only once and it’s consecutive next (arr[i]+1) and prev (arr[I]… Read More

Array of maps in C++ with Examples

Easy

What is an array? An array in any programming language is a data structure that is used to store elements or data items of similar… Read More