C calculate sum of first and last element of array

In this section, you will learn how to calculate sum of first and last element from the array of five numbers.

In this section, you will learn how to calculate sum of first and last element from the array of five numbers.

C calculate sum of first and last element of array

In this section, you will learn how to calculate sum of first and last element from the array of five numbers. You can see in the given example, we have allowed the user to enter five numbers of their choice. These numbers will get stored into the array as the user enters the number. Then using the index of the array, we have found first and the last number and determine their sum.

Here is the code:

#include <stdio.h>
#include <conio.h>
void main() {
           int i;
           int list[5];
           int first, last;
           int sum, num;
           clrscr();
           printf("Enter five numbers:");
           for (i = 0; i < 5; i++) {
                 scanf("%d", &num);
                 list[i] = num;
           }
           first = list[0];
           last = list[4];
           sum = first + last;
           printf("Sum of first and last number is: %d", sum);
           getch();
}

Output:

Enter five numbers:1
2
3
4
5

Sum of first and last number is: 6

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