A pair is a container that stores two values mapped to each other, and a vector containing multiple numbers of such pairs is called a… Read More

# Tag Archives: cpp-pair

What is a deque? In C++, the deque is a sequence container and it is also known by the name, double-ended queue. As the name… Read More

What is a multimap? In C++, a multimap is an associative container that is used to store elements in a mapped fashion. Internally, a multimap… Read More

A 2D vector also known as vector of vectors is a vector in which each element is a vector on its own. In other words,… Read More

What is pair? Utility header in C++ provides us pair container. A pair consists of two data elements or objects. The first element is referenced… Read More

What is Multiset? A multiset is an associative container that can hold a number of elements in a specific order. Unlike a set, a multiset… Read More

What is Vector? In C++, a vector is similar to dynamic arrays with the ability to resize itself automatically. Vector elements are stored in contiguous… Read More

Forward List Forward list in STL implements singly linked list. Introduced from C++11, forward lists are more useful than other containers in insertion, removal, and… Read More

Given an array of pairs A[][] of size N, the task is to find the longest subsequences where the first element is increasing and the… Read More

Given two arrays arr[] and jump[], each of length N, where jump[i] denotes the number of indices by which the ith element in the array… Read More

Given a 2D array segments[][] where each segment is of the form [L, R] representing (X, Y) co-ordinates, the task is to find a segment… Read More

Given an array arr[] consisting of N integers and an integer X, the task is to perform integer division on the array elements by X… Read More

Given two arrays A[ ] and B[ ] consisting of N integers, where Ai denotes the quantity of sweets of the ith type and Bi… Read More

Given a 2D array ranges[][] of size N * 2, with each row representing a range of the form [L, R], the task is to… Read More

In this article, we will discuss the implementation of the lower_bound() and upper_bound() in a list of pairs. lower_bound(): It returns an iterator pointing to… Read More