GeeksforGeeks

Output of C++ programs | Set 41 (Structure and Union)

Last Updated: 29 August 2017

Prerequisite: Structures and UnionQUE.1 What will be the output of this code?CPP #include iostreamusing namespace std;typedef struct s1 { int a; float b; ...read more

C program to print employee details using Structure

Last Updated: 04 January 2023

In this program, we will read and display details of n employees using Structure. Employee details like Name, age, phone number, salary will be printed. Method :Declare va...read more

Misc

C++ Programs

Computer Science Fundamentals

cpp-structure

alignof operator in C++

Last Updated: 08 June 2018

In C++11 the alignof operator used to returns the alignment, in bytes of the specified type.Syntax:alignof(type)Syntax Explanation: alignof: operator returns the align...read more

Misc

C++

cpp-structure

Find k pairs with smallest sums in two arrays | Set 2

Last Updated: 04 December 2023

Given two arrays arr1[] and arr2[] sorted in ascending order and an integer K. The task is to find k pairs with the smallest sums such that one element of a pair belongs t...read more

Queries to insert, delete one occurrence of a number and print the least and most frequent element

Last Updated: 14 March 2023

Given Q queries of type 1, 2, 3 and 4 as described below.Type-1: Insert a number to the list.Type-2: Delete only one occurrence of a number if exists.Type-3: Print the lea...read more

C++-Operator Overloading

cpp-set

Number of elements greater than K in the range L to R using Fenwick Tree (Offline queries)

Last Updated: 29 November 2023

Prerequisites: Fenwick Tree (Binary Indexed Tree)Given an array of N numbers, and a number of queries where each query will contain three numbers(l, r and k). The task is ...read more

Sorting

Advanced Data Structure

Competitive Programming

Slack Bytes in Structures : Explained with Example

Last Updated: 16 August 2021

Structures:Structures are used to store the data belonging to different data types under the same variable name. An example of a structure is as shown below:struct STUDENT...read more

How to pass or return a structure to/from a Function in C/C++?

Last Updated: 16 December 2019

A structure is a user-defined data type in C/C++. A structure creates a data type that can be used to group items of possibly different types into a single type.How to pas...read more

C++

cpp-structure

C-Structure & Union

C/C++ program to add N distances given in inch-feet system using Structures

Last Updated: 21 May 2020

Given an array arr[] containing N distances of inch-feet system, such that each element of the array represents a distance in the form of {inch, feet}. The task is to add ...read more

Array of Structures vs Array within a Structure in C

Last Updated: 10 January 2025

Both Array of Structures and Array within a Structure in C programming is a combination of arrays and structures but both are used to serve different purposes.Array within...read more

Advantages and Disadvantages of Array in C

Last Updated: 02 November 2023

An array is a data structure that stores a collection of elements, all of the same data type, in a contiguous block of memory. Each element in the array is identified by a...read more

Classes vs Structure vs Union in C++

Last Updated: 19 January 2021

Class: It is a user-defined datatype enclosed with variables and functions. It is like a blueprint for an object. Class members are private by default. For Example, the ca...read more

Technical Scripter

C++ Programs

C++

Technical Scripter 2020

Why does empty Structure has size 1 byte in C++ but 0 byte in C

Last Updated: 04 August 2021

A structure is a user-defined data type in C/C++. A structure creates a data type that can be used to group items of possibly different types into a single type.The ‘struc...read more

Array of Structures vs Array within a Structure in C++

Last Updated: 08 February 2024

In C++, an array of structure and an array within structure are used frequently used for data storage. Although they sound similar, they work pretty differently from each ...read more

Geeks Premier League 2023

Structure Padding in C++

Last Updated: 16 June 2025

In C++, a structure (struct) is a user-defined data type that allows grouping variables of different types under a single name. When we define a structure, the compiler ma...read more

C Language

cpp-structure