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Vector of Vectors in C++ STL with Examples

Last Updated: 14 February 2020

Prerequisite: Vectors in C++ STLVectors are known as dynamic arrays with the ability to resize itself automatically when an element is inserted or deleted, with their stor ...read more

cpp-vector

C++

How to reverse a Vector using STL in C++?

Last Updated: 21 September 2023

Given a vector, reverse this vector using STL in C++.Example:Input: vec = {1, 45, 54, 71, 76, 12}Output: {12, 76, 71, 54, 45, 1}Input: vec = {1, 7, 5, 4, 6, 12}Output: {12 ...read more

STL

cpp-vector

C++

How to find the maximum element of a Vector using STL in C++?

Last Updated: 23 January 2023

Given a vector, find the maximum element of this vector using STL in C++. Example:Input: {1, 45, 54, 71, 76, 12}Output: 76Input: {1, 7, 5, 4, 6, 12}Output: 12Approach: Max ...read more

STL

cpp-vector

C++

Sorting a vector in C++

Last Updated: 11 January 2023

Prerequisites : std::sort in C++, vector in C++, initialize a vector in C++.[tabby title="CPP"][sourcecode language="CPP"]// C++ program to sort a vector in non-decreasing ...read more

STL

cpp-vector

C++

vector insert() Function in C++ STL

Last Updated: 06 May 2023

std::vector::insert() is a built-in function in C++ STL that inserts new elements before the element at the specified position, effectively increasing the container size b ...read more

vector erase() and clear() in C++

Last Updated: 09 October 2023

Prerequisite: Vector in C++Vectors are the same as dynamic arrays with the ability to resize themselves automatically when an element is inserted or deleted, with their st ...read more

vector::push_back() and vector::pop_back() in C++ STL

Last Updated: 16 February 2023

Vectors are same as dynamic arrays with the ability to resize itself automatically when an element is inserted or deleted, with their storage being handled automatically b ...read more

2D Vector In C++ With User Defined Size

Last Updated: 10 January 2023

A 2D vector is a vector of the vector. Like 2D arrays, we can declare and assign values to a 2D vector!Assuming you are familiar with a normal vector in C++, with the help ...read more

STL

cpp-vector

C++

Passing Vector to a Function in C++

Last Updated: 10 January 2023

When we pass an array to a function, a pointer is actually passed.However, to pass a vector there are two ways to do so:Pass By valuePass By ReferenceWhen a vector is pass ...read more

Ways to copy a vector in C++

Last Updated: 13 July 2023

In the case of arrays, there is not much choice to copy an array into another, other than the iterative method i.e running a loop to copy each element at its respective in ...read more

cpp-algorithm-library

Sort Vector of Pairs in ascending order in C++

Last Updated: 27 January 2023

What is Vector of Pairs?A pair is a container which stores two values mapped to each other, and a vector containing multiple number of such pairs is called a vector of pai ...read more

Last Updated: 21 June 2023

Vectors are the same as dynamic arrays with the ability to resize itself automatically when an element is inserted or deleted, with their storage being handled automatical ...read more

STL

cpp-vector

C++

cpp-containers-library

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