C Exercises: Check a given integer and return true if it is within 10 of 100 or 200
C-programming basic algorithm: Exercise-4 with Solution
Write a C program to check a given integer and return true if it is within 10 of 100 or 200.
C Code:
#include <stdio.h>
#include <stdlib.h>
int main(void){
printf("%d",test(103));
printf("\n%d",test(90));
printf("\n%d",test(89));
}
int test(int x)
{
if(abs(x - 100) <= 10 || abs(x - 200) <= 10)
return 1;
return 0;
}
Sample Output:
1 1 0
Flowchart:

C Programming Code Editor:
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Previous: Write a C program to check two given integers, and return true if one of them is 30 or if their sum is 30.
Next: Write a C program to check if a given positive number is a multiple of 3 or a multiple of 7.
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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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