Simple Program for Sum of Integer an array using pointers in C
Syntax
pointer_variable = &var[position];
pointer_variable++ is increasing Address value based on Data Type
pt++; --> Its location next position of Array
Simple Program for Sum of Integer an array using pointers
/* Simple Program for Sum of Integer in an array using pointers in C*/
/* Pointer and Array Program,C Pointer Examples */
#include <stdio.h>
#define MAX_SIZE 5
int main() {
int var[] = {10, 20, 30, 40, 50};
int i = 0, sum = 0;
//Pointer Variable Declaration for Integer Data Type
int *pt;
//& takes the address of var , Here now pt == &var, so *pt == var
pt = &var[0];
while (i < MAX_SIZE) {
i++;
// Calculate sum using pointer
sum = sum + *pt;
// pt++ is increasing Address value based on Data Type
pt++;
}
printf("Sum of Array : %d", sum);
return 0;
}
Sample Output
Sum of Array : 150
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