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Module DEMO-32-106DEMO-C-32

Calculate Average

DEMO-C-32 • Programming in C

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Problem Statement

Write a C program to calculate the average of elements in a 1D array. Input the size n, read n integers, calculate the sum, and then divide by n to find the average. Display the average formatted to 2 decimal places.

Example

Input:

5 10 20 30 40 50

Output:

30.00

Constraints

1 <= n <= 100

Input Format

n and n integers

Output Format

Float with 2 decimal places

Sample Testcases

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Sample #1
Public sample
Input
5
1 2 3 4 5
Output
3.00
Explanation
Sum=15, 15/5 = 3.00
Sample #2
Public sample
Input
4
1 1 1 2
Output
1.25
Explanation
Sum=5, 5/4 = 1.25
Sample #3
Public sample
Input
3
-5 -5 -5
Output
-5.00
Explanation
Sum=-15, -15/3 = -5.00

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