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cpp-map-functions

9 posts

map erase() Function in C++ STL

Last Updated: 03 February 2025

In C++, std::map::erase() is a built-in function of std::map container that is used to remove elements from the map using their key or iterator. We can also remove multipl...read more

cpp-map-functions

map insert() in C++ STL

Last Updated: 11 January 2025

The std::map::insert() is a built-in function of C++ STL map container which is used to insert new elements into the map. In this article, we will learn how to use map::in...read more

cpp-containers-library

cpp-map-functions

map::lower_bound() in C++ STL

Last Updated: 04 November 2024

In C++,std::map::lower_bound()is a built-in method used to find the first element in the map whose key is either equal to or greater than the given key. In this article, w...read more

cpp-containers-library

cpp-map-functions

map get_allocator in C++ STL

Last Updated: 19 December 2018

map::get_allocator() is a built in function in C++ STL which is used to get allocator of container map. Syntax:Allocator_type get_allocator() Parameters: This function d...read more

cpp-map-functions

Implementing Multidimensional Map in C++

Last Updated: 30 April 2020

Multidimensional maps are used when we want to map a value to a combination of keys. The key can be of any data type, including those that are user-defined. Multidimension...read more

cpp-map-functions

Adding two polynomials using Linked List using map

Last Updated: 26 October 2023

Given two polynomial numbers represented by a linked list. Write a function to perform their algebraic sum. Examples:Input: 1st number = 5x^2 + 4x^1 + 2x^0 2nd number = 5x...read more

Linked-List-Polynomial

cpp-map-functions

Find distinct characters in distinct substrings of a string

Last Updated: 07 September 2021

Given a string str, the task is to find the count of distinct characters in all the distinct sub-strings of the given string.Examples:Input: str = "ABCA"Output: 18Distinct...read more

cpp-map-functions

Minimum deletions required to make frequency of each letter unique

Last Updated: 02 July 2020

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cpp-map-functions

Important functions of STL Components in C++

Last Updated: 02 November 2023

C++ // C++ code#include iostream#include utilityusing namespace std;int main(){ // Declaring the PAIR1 of int and char // IF pair is not initialized then ...read more