C program to find sum of array elements using Dynamic Memory Allocation

C program to find sum of array elements using Dynamic Memory Allocation

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+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+    int* ptr; //declaration of integer pointer
+    int limit; //to store array limit
+    int i; //loop counter
+    int sum; //to store sum of all elements
+
+    printf("Enter limit of the array: ");
+    scanf("%d", &limit);
+
+    //declare memory dynamically
+    ptr = (int*)malloc(limit * sizeof(int));
+
+    //read array elements
+    for (i = 0; i < limit; i++) {
+        printf("Enter element %02d: ", i + 1);
+        scanf("%d", (ptr + i));
+    }
+
+    //print array elements
+    printf("\nEntered array elements are:\n");
+    for (i = 0; i < limit; i++) {
+        printf("%d\n", *(ptr + i));
+    }
+
+    //calculate sum of all elements
+    sum = 0; //assign 0 to replace garbage value
+    for (i = 0; i < limit; i++) {
+        sum += *(ptr + i);
+    }
+    printf("Sum of array elements is: %d\n", sum);
+
+    //free memory
+    free(ptr); //hey, don't forget to free dynamically allocated memory.
+
+    return 0;
+}