C Exercises: Sort the elements of an array
C Variable Type : Exercise-6 with Solution
Write a C program to sort the elements of an array.
Sample Solution:
C Code:
#include<stdio.h>
#include<stdlib.h>
int comparetor (const void * x, const void * y)
{
return ( *(int*)x - *(int*)y );
}
int main ()
{
int my_array[100];
int n,i;
printf("\nInput the number of elements to be stored in the array :");
scanf("%d",&n);
printf("Input %d elements in the array :\n",n+1);
for(i=0;i<n;i++)
{
printf("element - %d : ",i);
scanf("%d",&my_array[i]);
}
qsort (my_array, n, sizeof(int), comparetor );
printf("\nAfter sorting the array are :\n");
for (i=0; i<n; i++)
printf ("%d \n",my_array[i]);
return 0;
}
Sample Output:
Input the number of elements to be stored in the array :5 Input 6 elements in the array : element - 0 : 2 element - 1 : 4 element - 2 : 3 element - 3 : 1 element - 4 : 5 After sorting the array are : 1 2 3 4 5
Flowchart:
C Programming Code Editor:
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Next: Write a C program to integral quotient and remainder of a division.
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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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