C Exercises: Store and retrieve elements from an array
C Pointer : Exercise-7 with Solution
Write a program in C to store n elements in an array and print the elements using pointer.
Pictorial Presentation:
Sample Solution:
C Code:
#include <stdio.h>
int main()
{
int arr1[25], i,n;
printf("\n\n Pointer : Store and retrieve elements from an array :\n");
printf("------------------------------------------------------------\n");
printf(" Input the number of elements to store in the array :");
scanf("%d",&n);
printf(" Input %d number of elements in the array :\n",n);
for(i=0;i<n;i++)
{
printf(" element - %d : ",i);
scanf("%d",arr1+i);
}
printf(" The elements you entered are : \n");
for(i=0;i<n;i++)
{
printf(" element - %d : %d \n",i,*(arr1+i));
}
return 0;
}
Sample Output:
Pointer : Store and retrieve elements from an array : ------------------------------------------------------------ Input the number of elements to store in the array :5 Input 5 number of elements in the array : element - 0 : 5 element - 1 : 7 element - 2 : 2 element - 3 : 9 element - 4 : 8 The elements you entered are : element - 0 : 5 element - 1 : 7 element - 2 : 2 element - 3 : 9 element - 4 : 8
Flowchart:
C Programming Code Editor:
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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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