C Exercises: Check the given number is even or odd
C Function : Exercise-4 with Solution
Write a program in C to check a given number is even or odd using the function.
Pictorial Presentation:
Sample Solution:
C Code:
#include <stdio.h>
//if the least significant bit is 1 the number is odd and 0 the number is even
int checkOddEven(int n1)
{
return (n1 & 1);//The & operator does a bitwise and,
}
int main()
{
int n1;
printf("\n\n Function : check the number is even or odd:\n");
printf("------------------------------------------------\n");
printf("Input any number : ");
scanf("%d", &n1);
// If checkOddEven() function returns 1 then the number is odd
if(checkOddEven(n1))
{
printf("The entered number is odd.\n\n");
}
else
{
printf("The entered number is even.\n\n");
}
return 0;
}
Sample Output:
Function : check the number is even or odd: ------------------------------------------------ Input any number : 5 The entered number is odd.
Flowchart:
C Programming Code Editor:
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Previous: Write a program in C to swap two numbers using the function.
Next: Write a program in C to find the sum of the series 1!/1+2!/2+3!/3+4!/4+5!/5 using the function.
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C Programming: Tips of the Day
Static variable inside of a function in C
The scope of variable is where the variable name can be seen. Here, x is visible only inside function foo().
The lifetime of a variable is the period over which it exists. If x were defined without the keyword static, the lifetime would be from the entry into foo() to the return from foo(); so it would be re-initialized to 5 on every call.
The keyword static acts to extend the lifetime of a variable to the lifetime of the programme; e.g. initialization occurs once and once only and then the variable retains its value - whatever it has come to be - over all future calls to foo().
Ref : https://bit.ly/3fOq7XP
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