Sum of last digits of two given numbers in c

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Sum of last digits of two given numbers in c

Sir, Plz tell me When there is the requirement to see the numbers from 1 to using for Kamala kanta Rath. Can any body tell me if i want to sum of a digit of a fraction no then what shal i hav to do?

It is correct. Every non-zero value is treated as true. So the loop iterates till num reaches 0. Can anyone?? WAP to accept the value under and multiply the digit till you get the result in single digit. Sorry, but the condition while n! It will only do sum of digits of numbers after 0.

So it is not working for me. Can u plzz help me to sort out this.

Count numbers formed by given two digit with sum having given digits

Post a Comment. Write a c program to find out sum of digit of given number. Code C program to add digits of a number. C program for sum of digits of a number. C program to calculate sum of digits.

sum of last digits of two given numbers in c

Sample output:. Enter a number: Sum of digits of a number in c using for loop. Sum of digits in c using recursion. Write a c program to reverse any 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.

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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?

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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.

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.

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

But my mind is known to work funilly when talking about loops. There's no need to initialise n of course, because that's handled before the loop presumably. Not new to me, but very cool. Chaowlert Chaisrichalermpol Chaowlert Chaisrichalermpol 4, 3 3 gold badges 23 23 silver badges 23 23 bronze badges.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

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how to print the Last digit from the given digit in C++

Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I'm supposed to get 2 integers from the user, and print the result sum of all numbers between those two integers. I also need to make sure that the user typed the right number. The second number should be bigger than the first one. And if the condition isn't fulfilled, I have to print "The second number should be bigger than the first one. I think that I have to make two loops, but I can't seem to figure out how.

C Program to Find Sum of First and Last Digits of a Number

My English is limited, to help your understanding of this quiz, I'll add my flowchart below. I tried many different ways I can think of, but nothing seems to work. This is the code that I ended up with now. But this doesn't work either. After corrections your code should run. The community has pointed out many mistakes in your code. Here's an amalgamated solution:. Learn more. C Programming sum of all integer numbers between two integers Ask Question. Asked 2 years, 10 months ago.

Active 2 years, 10 months ago. Viewed 10k times.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.

sum of last digits of two given numbers in c

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. Repeat 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. Wap 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.

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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.Task is to count the numbers formed by digits a and b exactly of a length N such that the sum of the digits of the number thus formed also contains digits a and b only.

Approach: Since N is very large, we cannot iterate for all numbers to check them individually. As the number is of length N and formed by two digits a and b, a will occupy i positions and b will occupy n — i positions. We can check if the sum of digits is formed of a and b for all i ranging from 0 to N.

Thus, the total count of numbers formed will be which will correspond to all combination of numbers formed by a and b whose sum of digits is also formed of a and b. Since calculating the modInverse takes O log Nthe total time complexity will be O N log Nif all the factorials are pre-calculated.

An efficient solution will be to precalculate all the factorials till N. Calculate the modInverse of N! If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.

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Writing code in comment? Please use ide. Python 3 program to count the. Update y and x.

Sum of digits program in C

Make x positive. This code is contributed. WriteLine count a, b, n. Recommended Posts: N digit numbers divisible by 5 formed from the M digits Find the count of numbers that can be formed using digits 3, 4 only and having length at max N.

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Check out this Author's contributed articles. Improved By : chitranayalprinciraj29AjayKumar. Load Comments.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It only takes a minute to sign up.

Sum of digits in C

I am reading Mathematical Circle. The answer is different. So Where I have made a mistake? First, we'll count the number of ordered sequences of 9 digits where the sum of the digits is even. Then we will subtract the number of such sequences whose first digit is zero. If the sum of the digits in the 9-digit sequence is even, then we must have an even number of odd digits which can be 0, 2, 4, or 8. The number of such sequences is:.

See the pattern? Half of the numbers with nine digits have an even digit sum. Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Number of nine digits numbers whose sum of the digits is even Ask Question. Asked 8 months ago. Active 8 months ago. Viewed times. I am trying in this way, that we can divide the problem in four cases. Shubhadip Ghosh Shubhadip Ghosh 51 4 4 bronze badges.

For every nine-digit number, fix the 8-digit prefix, now play with the last digit. I think only need to count for those starting with 0.

Active Oldest Votes. Yves Daoust Yves Daoust k 14 14 gold badges 97 97 silver badges bronze badges. Sep Sep 8 8 bronze badges. Ahmed Hossam Ahmed Hossam 3 3 silver badges 9 9 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog.

Socializing with co-workers while social distancing. Featured on Meta. Community and Moderator guidelines for escalating issues via new response…. Feedback on Q2 Community Roadmap.Forum Beginners Adding the sum of the digits in an integ. Oct 19, at pm UTC. Hello, I read that I'm not supposed to ask for the solution to homework assignments, which is fine by me. I'd rather work out the problem myself, else I'll never be able to make it on my own.

However, that being said, I'm having some difficulty with my latest assignment. We are instructed to use a for loop to add the sum of the digits in an integer. Simple enough, right? I thought so But now I'm not so sure. The problem I am encountering is trying to get it to read the next digit after that. In other words, forit's reading the 6 just fine, but it won't read the 2, 4, or 3.

As we are not allowed to use any functions, would someone please be so kind as to explain which method or operation I might be able to use to get my program to read the next digits in my integer? Thank you! Last edited on Oct 19, at pm UTC. Oct 20, at am UTC. The answer is in there though. Oct 20, at pm UTC.

Oct 21, at pm UTC.

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Thanks everyone! I actually gathered the concept from the first response. It went off in the back of my head kind of like a gong. I suppose that sometimes I just have issues seeing the simpler solutions to things. Oct 22, at pm UTC. Actually, from a certain point of view, you all are wrong. This is impossible. All operators are functions in disguise.

sum of last digits of two given numbers in c

I realize this is unnecessary, but I needed to find someplace to vent my anger. Last edited on Oct 22, at pm UTC.


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