C program to check whether a number is even or odd using function

Numbers divisible by 2 are even numbers whereas numbers which are not divisible by 2 are odd numbers. Even Numbers examples : 2, 610, 12 Odd Number examples : 3, 5, 9This program first takes a number as input from user and stores it in integer variable 'number'. This program calls a user defined function oddOrEvenUsingModulus, that takes an integer as input and returns whether input number is odd or even Returns 1 for Odd number, 0 for Even number.

It divides the input number be 2 and if remainder is 0 then it returns 0 even number otherwise 1 odd number. If the least significant bit of number is 0, then number is even otherwise number is odd. We can check least significant bit of any number by doing bitwise and with 1.

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The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Is their any other why I can do it? Or can someone please help me to find the error an solve it.

Even or Odd Number Logic & Flow - Control Flow Structures Tutorial - Mr. Srinivas

The program doesn't do what you are describing, but to solve the compilation issue, you should change the code lines related to cin as follows:. Learn more. Asked 2 years, 9 months ago. Active 2 years, 9 months ago. Viewed times. Doewarning sportivo J. Doewarning sportivo 1 3 3 bronze badges.

And you would have seen, if you had some spacing between operators and operands. This code has nothing to do with the requested program DanielKovachev -- cin is not a function. It's an object.

C# .Net: Fastest Way to check if a Number is Odd Or Even

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Technical site integration observational experiment live on Stack Overflow. Related A number is called even if the number is divisible by 2 and is called odd if it is not divisible by 2. Given a number, we need to check whether it is odd or even in PHP.

Below program explains the above approach: PHP. Time Complexity : O 1 Recursive method : In the recursive approach, we reduce the number by 2 in each recursive call. If the final number is 0 then its even or else it is 1, the result will be odd. Below is the implementation of above approach: PHP.

If the bit-wise AND is 1, then the number is odd, else even. Program to calculate the number of odd days in given number of years Count the number of occurrences of a particular digit in a number How to check if ul has li with the given text?

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c program to check whether a number is even or odd using function

Improved By : ShivamKD. Load Comments.In this tutorial, we will learn about how to create a program that will ask from the user to enter any number as input and then check whether it is an even number or an odd number.

Then we will also learn about creating a program that will print all the even and odd numbers from start to the number given by user. That is if the given number is divisible by 2, then it will be an even number and if the number is not divisible by 2, then it will be an odd number.

Check whether a given number is even or odd in PL/SQL

As the above program was written and run under Code::Blocks IDE, therefore after successful build and run, you will get the following output. This is the first snapshot of the sample run:. Now supply any number say 13 and press ENTER key to see the output as shown here in the second snapshot of the sample run:.

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Here is another program that will ask from user to enter the value of N. And then print all the even numbers from starting to N. Let's suppose that if user has supplied 20 as the value of N as input, then all the even numbers will be printed between 1 to 20 including both. This time the following program will ask from the user to enter the value of N to print all the odd numbers exists in between 1 to N including both.

Here is the program:. Tools Calculator. All Rights Reserved.To determine if a given integer is odd or even we should check its least significant bit LSB. If least significant bit of an integer is 1, it will be an odd number else it would be even.

c program to check whether a number is even or odd using function

When bitwise AND is performed on an integer and 1 then result will be 1 if the integer is odd, else the result will be zero. Following program develops a small C function isOdd that receives an integer as input and return zero or one depending upon the inputted number is even or odd. Hope you have enjoyed reading C program that checks if a given integer is odd or even using bitwise operators.

Thanks for reading! Share this page on WhatsApp. Krishan Kumar is the founder and main contributor for cs-fundamentals. He is a software professional post graduated from BITS-Pilani and loves writing technical articles on programming and data structures. Write a C function to check if a given integer is odd or even using bitwise operators. Get Free Tutorials by Email Email:. Advertisements help running this site for free. To view the content please disable AdBlocker and refresh the page.This will benchmark many techniques to determine in C.

Net: Fastest way to check if a number is odd or even. Probably the most popular way to do this is to use the modulus operator and code like the following:.

c program to check whether a number is even or odd using function

Net: what is the fastest way to check if a number is odd or even? Is it the bitwise operand? DivRem how many C programmers even know about this? Or perhaps another, less common place, way? The code is written in Visual Studio targeting.

Net Framework version 4. The source code is available at the end of this blog so you can benchmark it on your own system if you wish. Code Snippet. All times are indicated in minutes:seconds. Lower numbers indicate faster performance. The modulus operator, much to my surprise, performed the fastest. There was only one instance where it came second, and not by much. I was fully expecting the bitwise operation to surpass it, and am not really curious as to why the bitwise and operator is slower.

For second place, there appears to be no dominating technique. On my system, unless someone spots a flaw in my test code, and unless you have to check more than 2, numbers in one go, it really makes no significant performance difference which method is used for anywhere up to a few thousand conversions.

It also performed the fastest on my machine. Should you need to do a few hundred million checks, definitely keep using the modulus operator. Obviously results may vary, and you should test on your system before micro-optimizing this functionality in your C.

Net application. Print even row color info.Write a C program to input a number from user and check whether given number is even or odd using functions. How to check even or odd using functions in C programming. Write a function in C programming to check even or odd. Basic C programmingFunctionsReturning value from function.

In my previous posts I have explained various ways to check even numbers. You can embed the logic to check even numbers using any of the following approaches in a function. Must know - Program to check even number using conditional operator.

However you can also use if else statement to check even or odd numbers. Example Input Input any number: 10 Output 10 is even. Recommended posts Function and recursion programming exercises index. C program to find maximum or minimum between two numbers using functions.

C program to check prime, strong, armstrong or perfect numbers using functions. C program to count even and odd elements in array. C program to sort even and odd elements separately. C program to print even and odd numbers using recursion. Have a doubtwrite here. I will help my best. Before commenting you must escape your source code before commenting.

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