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How to iterate through a Vector without using Iterators in C++

cpp-containers-library

C++ Programs

Slicing a Vector in C++

Last Updated: 02 November 2023

Pre-requisite: Vectors in C++Slicing a vector means to make a subvector from a given vector.Given N integers in a vector arr and to positive ...read more

Last Updated: 01 June 2020

Prerequisite: C++ STL, Iterators in C++ STLThe iterator is not the only way to iterate through any STL container. There exists a better and ...read more

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How to convert a Vector to Set in C++

Last Updated: 01 June 2022

This article shows how to convert a vector to a set in C++.Example:Input: vector = {1, 2, 3, 1, 1}Output: set = {1, 2, 3}Input: vector = {1, ...read more

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Array of Vectors in C++ STL

Last Updated: 14 February 2020

Prerequisite: Arrays in C++, Vector in C++ STLAn array is a collection of items stored at contiguous memory locations. It is to store multip ...read more

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How to implement our own Vector Class in C++?

Last Updated: 08 November 2023

The given task is to implement a class in C++ which behaves just like the Vector class.Vectors are the same as dynamic arrays with the abili ...read more

How to find the sum of elements of a Vector using STL in C++?

Last Updated: 16 April 2023

Given a vector, find the sum of the elements of this vector using STL in C++.Example:Input: vec = {1, 45, 54, 71, 76, 12}Output: 259Input: v ...read more

How to sort a Vector in descending order using STL in C++?

Last Updated: 18 March 2023

Given a vector, sort this vector in descending order using STL in C++.Example:Input: vec = {1, 45, 54, 71, 76, 12}Output: {76, 71, 54, 45, 1 ...read more

Difference between std::swap and std::vector::swap

Last Updated: 15 November 2022

The std::swap is a general function used to exchange the given values whereas the std::vector::swap is a specialized function that can swap ...read more

vector :: assign() in C++ STL

Last Updated: 09 June 2022

vector:: assign() is an STL in C++ which assigns new values to the vector elements by replacing old ones. It can also modify the size of the ...read more

vector : : resize() in C++ STL

Last Updated: 01 March 2024

Vectors are known as dynamic arrays which can change its size automatically when an element is inserted or deleted. This storage is maintain ...read more

Last element of vector in C++ (Accessing and updating)

Last Updated: 10 September 2020

In C++ vectors, we can access last element using size of vector using following ways.1) Using size()[sourcecode language="CPP"]#include bits ...read more

vector::begin() and vector::end() in C++ STL

Last Updated: 17 June 2022

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