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Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. The sum of the digits of should still be 10, not It the number is a floating point number, a different approach should be taken, and chaowman's solution will completely fail when it hits the decimal point. If you need a recursive sum of digits, e.

I'm not even sure the c - '0', syntax would work? I think it's the most readable version using of the word sum in combination with the lambda expression showing that you'll do it for every char.

But indeed, I don't think it will be the fastest. This works, and is quite easy to read. BTW: Convert. ToInt32 '3' gives 51, not 3.

### Program for Sum of the digits of a given number

ToInt32 '3' - '0' gives 3. A while back, I had to find the digit sum of something. I used Muhammad Hasan Khan's code, however it kept returning the right number as a recurring decimal, i.

Hence I edited it, getting the digit sum correct each time with this code:. The simplest and easiest way would be using loops to find sum of digits. Surprised nobody considered the Substring method. Don't know whether its more efficient or not.

For anyone who knows how to use this method, its quite intuitive for cases like this. Learn more.

Ipq8064 socSum of digits in C Ask Question. Asked 11 years, 2 months ago. Active 1 year, 10 months ago. Viewed 83k times.

What's the fastest and easiest to read implementation of calculating the sum of digits? Xn0vv3r Xn0vv3r 16k 13 13 gold badges 53 53 silver badges 62 62 bronze badges. Active Oldest Votes.

Greg Hewgill Greg Hewgill k gold badges silver badges bronze badges. Beat me to it. This is the best way. Personally, I see this better conceptually as a for loop But maybe that's just my mind, I tend to see everything better as a for loop You have no need for an index or for tight control of the loop iterations.Q: What is the mean of sum of the individual digits?

Ans: Sum of the individual digits means adding each digit in a number. Ans: if the integer value is grater than zero then it is called positive integer. A Fibonacci sequence is defined as follows: the first and second terms in the sequence are 0 and 1. Write a C program to generate all the prime numbers between 1 and n, where n is a value supplied by the user. Write C programs that use both recursive and non-recursive functions.

Write a C program that uses functions to perform the following operations:. Write a C program to determine if the given string is a palindrome or not. Print x, n, the sum Perform error checking. For example, the formula does not make sense for negative exponents — if n is less than 0.

Are any values of x also illegal? If so, test for them too. Write a C program to convert a Roman numeral to its decimal equivalent. Write a C program which copies one file to another. Note: The file name and n are specified on the command line.

Write a C program to reverse the first n characters in a file. Write a C program to merge two files into a third file i. Write a C program to implement the polynomial regression algorithm. Write C program to implement the Newton- Gregory forward interpolation. Write a C program to find the sum of individual digits of a positive integer. Description: Sum of the individual digits means adding all the digits of a number. You May Like.

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To find the GCD greatest common divisor of two given integers. Write a C program to find the largest integer in a list of integers. Write a C program that uses functions to perform the following operations: To insert a sub-string in to a given main string from a given position.

To delete n Characters from a given position in a given string. Write a C program to count the lines, words and characters in a given text. Write a C program to construct a pyramid of numbers. Write a C program that uses functions to perform the following operations: Reading a complex number Writing a complex number Addition of two complex numbers Multiplication of two complex numbers Note: represent complex number using a structure.

Write a C program to display the contents of a file. Write a C program that uses functions to perform the following operations: Create a singly linked list of integer elements. Traverse the above list and display the elements. Write a C program to implement the linear regression algorithm. Write a C program to implement the Lagrange interpolation. Write a C program to implement Trapezoidal method.Then we will remove one digit at a time form number using below mentioned algorithm and then store the most significant digit in firstDigit variable.

To remove last least significant digit from number we will divide number by Toggle navigation Home. Write a C program to find sum of first and last digits of a number. Wap in C to find sum of least significant and most significant digit of a number.

My workspace jpmcRepeat above two steps, till number is greater than The remaining number is the first digit of number. Write a C program to find product of digits of a number using while loop.

Add roms to pocketgoWap in C to multiply the digits of a number. Repeat above two steps, till number is not equal to zero. Newer Post Older Post Home. C program to print digit of a number in words. C program to add digits of a number.

C program to count number of digits in an integer. C program to find sum of digits of a number using recursion. C program to reverse a number using recursion. C program to convert decimal number to octal number. C program to find perfect numbers between 1 to N using for loop. C program to print all factors of a number using for loop. C program to print all prime factors of a number. List of all C programs.Remember Me? Thread: To get the sum of digits of a five digit number.

To get the sum of digits of a five digit number. Conceited programmers are a pain Same for the rest, you will always get zero. Also you forgot to specify what the problem is. Any sufficiently advanced bug is indistinguishable from a feature. The best way to accelerate an IBM is at 9.

Apart from the obvious mentioned bugs, complete disregard of using arrays, and lack of input validation, you spelt "digits" wrong. My homepage Advice: Take only as directed - If symptoms persist, please see your debugger Linus Torvalds: "But it clearly is the only right way. The fact that everybody else does it some other way only means that they are wrong". Last edited by gltiich; at PM.

Why use a long for num?

## Sum of Digits of a Five Digit Number

It is only a 5digit number. Besides the rest are int Not that this is a big deal Also, most of the compilers indeed need main to return an int.

Some don't care if it's void. Most don't care if you don't have return. Anyway, depends how much you care about warnings you should though Here is a bit elegant code to do your job for any number of digits : Code:. Replies: 17 Last Post:PM. Replies: 21 Last Post:PM. Minor Problem By stewie in forum C Programming. Replies: 6 Last Post:AM. Adding a Large number digit by digit By mejv3 in forum C Programming. Replies: 1 Last Post:AM. By hortonheat in forum C Programming.

All times are GMT The time now is PM. All rights reserved.To find the sum of digits of a number, we have to add the each digit of a number. Here, to find the sum of digits of a number we will remove one digit at a time from a number and add it to a variable.

To remove last least significant digit from number we will divide number by We can use recursion to implement above mentioned algorithms because it can be expressed as recursive equation. Let getSum N returns the sum of digits of N. Below program user a user defined function getSumOfDigit, that takes an integer as input parameter num and return the it's sum of digits. This function implements the above mentioned recursive algorithm using division and modulus operator.

Recursion will terminate when num becomes zero. Below program calculates the sum of digits of a number using while loop. It first takes a number as input from user using using scanf function and stores it in an integer variable.

Nba 2k offline mycareerIn line number 14, it extract the least significant digit of number and adds it to the variable digitSum. In line number 17, it removes the least significant digit from number. Inside the while loop, above process continues until number become zero. Toggle navigation Home. Write a C program to find sum of digits of a number using recursion. C program to add digits of a number. Let N be the input number. Newer Post Older Post Home. C program to reverse a number. C program to find power of a number using recursion.It is similar to an Armstrong Number.

This program takes every individual digit from the Integer and calculates the digit raised to the power of the number of digits in the Integer. Adding these powers of every digits and then comparing it with the Integer. If Sum is equal to the Integer, then it is a Narcissistic Number. In case you get any compilation errors in this C Program To Find Narcissistic Numbers or you have any doubt about it, let us know about it in the comment section below.

It is easy. This seems to be similar to Armstrong Number. What I could sense is that when an Armstrong Number with 4 digits or more needs to be calculated then it is called as Narcissiatic Number, right? So, finally I have found the 4 digit armstrong number c program. Thanks to the creator of this code. Necessary cookies are absolutely essential for the website to function properly.

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Necessary Always Enabled. Non-necessary Non-necessary. Check Validity of a Triangle in C Programming. Print Map of India in C Programming.It is basically a binary search over the exponent of 10 in binary form.

**c program to find sum of digits of a 4 digit number #5**

The following solution is even faster, although it needs log2 log10 n additional space because it uses recursion. It needs only log2 log10 n calls. It is basically a wrapped binary decomposition of exponent of Write down the definition of a function count2s which takes a number as argument and returns the count of the digit 2 in it?

Your program to calculate the no of digits in an integer is incorrect. As an example try For e. You have to use recursion. In this program have one mistake. If i enter "" as input it shows '0' as output But actually the length of the integer is '4'. Can you please post the solution for it. Thanks in advance.

Python find curve of best fitThis program is correct guys Post a Comment. C program to count number of digits in a number. Code Count the number of digits in c programming language. Sample output:. Enter a number: C code to count the total number of digit using for loop. Count the digits of a given number in c language using recursion.

Write a c program to reverse any number. Write a c program to find out sum of digit of given number. Write a c program to find out power of number. Write a c program to add two numbers without using addition operator. Write a c program to subtract two numbers without using subtraction operator.

Write a c program to find largest among three numbers using binary minus operator. Write a c program to find largest among three numbers using conditional operator. Write a c program to find out generic root of any number. Write a c program to find out prime factor of given number. Write a c program to find out NCR factor of given number.

How to convert string to int without using library functions in c Program in c to print 1 to without using loop

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