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C++ Basic Programs

23 posts

C++ Program to Find Diagonal of a Rectangle

Last Updated: 15 September 2022

Given two positive integers i.e, the length and breadth of the rectangle, the task is to find the length of the Diagonal of a Rectangle.Example:Input: length=4 breadth=3ou...read more

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C++ Basic Programs

C++ Program To Find The Roots Of Quadratic Equation

Last Updated: 20 March 2024

Given a quadratic equation in the form ax2 + bx + c, find roots of it. Examples:Input : a = 1, b = -2, c = 1Output: Roots are real and same 1Input : a = 1,...read more

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C++ Basic Programs

C++ Program To Find Sum of First N Natural Numbers

Last Updated: 02 August 2023

Natural numbers are those positive whole numbers starting from 1 (1, 2, 3, 4, ...). In this article, we will learn to write a C++ program to calculate the sum of the first...read more

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C++ Basic Programs

GCD of Two Numbers in C++

Last Updated: 07 March 2025

GCD (Greatest Common Divisor) or HCF (Highest Common Factor) of two numbers is the largest number that exactly divides both numbers. In this article, we will learn to writ...read more

C++ Basic Programs

C++ Program To Find Armstrong Numbers Between Two Integers

Last Updated: 16 January 2023

A positive integer with digits a, b, c, d... is called an Armstrong number of order n if following condition is satisfied. abcd... = an + bn + cn + dn +...153 = 1*1*1 + 5*...read more

C++ Basic Programs

Reverse a Number in C++

Last Updated: 21 September 2023

In this article, we will learn to write a C++ program to reverse a number. Reversing the digits of a number means changing the order of the digits of the number so that th...read more

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C++ Basic Programs

C++ Program To Find Power Without Using Multiplication(*) And Division(/) Operators

Last Updated: 17 January 2023

Method 1 (Using Nested Loops):We can calculate power by using repeated addition. For example to calculate 5^6. 1) First 5 times add 5, we get 25. (5^2) 2) Then 5 times add...read more

C++ Basic Programs

C++ Program To Find All Factors of A Natural Number

Last Updated: 17 January 2023

Given a natural number n, print all distinct divisors of it.Examples: Input : n = 10 Output: 1 2 5 10 Input: n = 100 Output: 1 2 4 5 10 20 25 50 100 Input: n = 12...read more

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C++ Basic Programs

C++ Program To Check If a Prime Number Can Be Expressed as Sum of Two Prime Numbers

Last Updated: 17 January 2023

Given a prime number N . The task is to check if it is possible to express N as sum of two separate prime numbers.Note: The range of N is less than 108.Examples: Input: ...read more

C++ Basic Programs

C++ Program For Sum of Natural Numbers Using Recursion

Last Updated: 23 June 2023

Natural numbers include all positive integers from 1 to infinity. It does not include zero (0). Given a number n, find the sum of the first n natural numbers. To calculate...read more

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C++ Basic Programs

C++ Program To Check Whether a Number is Prime or not

Last Updated: 17 October 2022

Given a positive integer N. The task is to write a C++ program to check if the number is prime or not. Definition: A prime number is a natural number greater than 1 that h...read more

C++ Basic Programs

C++ Program For Fibonacci Numbers

Last Updated: 16 May 2025

TheFibonacci seriesis the sequence where each number is the sum of the previous two numbers. The first two numbers of the Fibonacci series are 0 and 1, and they are used t...read more

C++ Basic Programs

C++ Program to Find Factorial of a Large Number Using Recursion

Last Updated: 17 January 2023

Given a large number N, task is to find the factorial of N using recursion.Factorial of a non-negative integer is the multiplication of all integers smaller than or equal ...read more

C++ Basic Programs

How to Access Elements of a Pair in C++?

Last Updated: 01 April 2024

In C++, a pair container is defined inutilityheader that can store two values that may be of different data types so as to store two heterogeneous objects as a single unit...read more

C++ Basic Programs

Multiply Function that works for All Numeric Types in C++

Last Updated: 16 June 2025

In C++, function overloading allows us to create multiple functions with the same name but different parameter types. Using this concept, we can multiply functions to perf...read more

C++ Basic Programs