C Exercises: Get the absolute difference between n and 51
C-programming basic algorithm: Exercise-2 with Solution
Write a C program to get the absolute difference between n and 51. If n is greater than 51 return triple the absolute difference.
C Code:
#include <stdio.h>
int main(void){
printf("%d",test(53));
printf("\n%d",test(30));
printf("\n%d",test(51));
}
int test(int n)
{
const int x = 51;
if (n > x)
{
return (n - x)*3;
}
return x - n;
}
Sample Output:
6 21 0
Pictorial Presentation:
Flowchart:

C Programming Code Editor:
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Previous: Write a C program to compute the sum of the two given integer values. If the two values are the same, then return triple their sum.
Next: Write a C program to check two given integers, and return true if one of them is 30 or if their sum is 30.
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C Programming: Tips of the Day
How does array [100] = {0} set the entire array to 0?
The behavior of this code in C is described in section 6.7.8.21 of the C specification (online draft of C spec): for the elements that don't have a specified value, the compiler initializes pointers to NULL and arithmetic types to zero (and recursively applies this to aggregates).
The behavior of this code in C++ is described in section 8.5.1.7 of the C++ specification (online draft of C++ spec): the compiler aggregate-initializes the elements that don't have a specified value.
Also, note that in C++ (but not C), you can use an empty initializer list, causing the compiler to aggregate-initialize all of the elements of the array:
char array[100] = {};
As for what sort of code the compiler might generate when you do this, take a look at this question: Strange assembly from array 0-initialization
Ref : https://bit.ly/3yxvK5c
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