![]() In the next article, I am going to discuss How to Implement the Automorphic Number Program in C#with Examples. using System Ĭonsole.WriteLine("Happy Numbers Between 1 and " + Number + " : ") The following C# Program will allow the user to input a number and then it will print all the Happy numbers between 1 and that input number. Unhappy number ends in a cycle of repeating numbers which contains 4Ĭonsole.WriteLine(Number + " is not a happy number") Ĭ# Program to Print all Happy Numbers Between 1 and N Calculates the sum of squares of digitsĬonsole.WriteLine(Number + " is a happy number") IsHappyNumber() will determine whether a number is happy or not The following code shows how to implement the Happy Number program in C#. ģ) Define a variable result and initialize it with a value of num.Ĥ) If the result is neither equal to 1 nor 4 then, make a call to IsHappyNumber().ĥ) Otherwise, if the result is equal to 1 then, the given number is a happy number.Ħ) If the result is equal to 4 then, the given number is not a happy number. Repeat the steps from a to c till the sum of the square of all digits present in the number has been calculated.Calculate the square of rem and add it to a variable sum.If the number is greater than 0, then calculate remainder rem by dividing the number by 10.Here are the steps to follow: –ġ) IsHappyNumber() determines whether a given number is a happy number or not. If the resulting sum is equal to 1 then the given number is a happy number. The idea is very simple, calculate the square of each digit present in the number and add it to a variable sum. We are going to use the very basic method to implement this program but before that, you should have some basic knowledge of the following operators.ġ) Modulus %: Modulus Operator will calculate the remainder after an integer division.Ģ) Divides /: Divides numerator by de-numeratorĦ8/ 10 = 6 Algorithm to Implement Happy Number: In order to implement the Happy Number Program in C#, we are going to use some operators and methods. How to Implement Happy Number Program in C#? Int Number = Convert.ToInt16(Console.ReadLine()) Ĭonsole.WriteLine("Square of ", Number, Sqr) The following program shows the Square Number Program in C#. For example, 25 is a square number because it’s 5 x 5. SQUARE NUMBER:Ī square number is the result when a number has been multiplied by itself. ![]() OrĪ number is called happy if it leads to 1 after a sequence of steps wherein each step number is replaced by the sum of squares of its digit that is if we start with Happy Number and keep replacing it with digits square sum, we reach 1.Īs we reached to 1, so, 19 is a Happy Number.’Ģ2 + 02 = 4 + 0 = 4, So 20 is not a happy numberįirst of all, we have to know what is Square number. In each step, the number is replaced by the sum of its squared digits. What is a Happy Number?Ī happy number is a number that reaches 1 after a sequence of steps. And finally, we will see how to print all the Happy Numbers between a range of numbers like between 1 to 100 or 100 to 1000, etc. Here, in this article, first, we will learn what is a Happy Number and then we will see how to implement the Happy Number Program in C#. Please read our previous article where we discussed the Vampire Number Program in C#. In this article, I am going to discuss the Happy Number Program in C# with Examples. How to Remove Duplicate Elements from an Array in C#īack to: C#.NET Programs and Algorithms Happy Number Program in C# with Examples.How to find the angle between hour and minute hands of a clock at any given time in C#.How to Perform Right Circular Rotation of an Array in C#.How to Perform Left Circular Rotation of an Array in C#.How to convert a one-dimensional array to a two-dimensional array in C#.How to convert a two-dimensional array to one-dimensional array in C#.How to Find All Substrings of a Given String in C#.How to Remove Duplicate Characters From a String in C#.Reverse Each Word in a Given String in C#.Data Structures and Algorithms Tutorials.
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