## Input-Output Exercises

Complete these exercises to check your understanding of input and output.

### C Basic Input Output statement Exercises

**1.**Write a program that converts Centigrade to Fahrenheit.

Expected Output:

Input a temperature (in Centigrade): 45

113.000000 degrees Fahrenheit.

**2.**Write a C program that calculates the volume of a sphere.

Expected Output:

Input the radius of the sphere : 2.56

The volume of sphere is 70.276237.

**3.**Write a C program that prints the perimeter of a rectangle to take its height and width as input.

Expected Output :

Input the height of the Rectangle : 5

Input the width of the Rectangle : 7

Perimeter of the Rectangle is : 24.000000

**4.**Write a C program that converts kilometers per hour to miles per hour.

Expected Output:

Input kilometers per hour: 15

9.320568 miles per hour

**5.**Write a C program that takes hours and minutes as input, and calculates the total number of minutes.

Expected Output:

Input hours: 5

Input minutes: 37

Total: 337 minutes.

**6.**Write a program in C that takes minutes as input, and display the total number of hours and minutes.

Expected Output:

Input minutes: 546

9 Hours, 6 Minutes

**7.**Write a program in C that reads a forename, surname and year of birth and display the names and the year one after another sequentially.

Expected Output:

Input your firstname: Tom

Input your lastname: Davis

Input your year of birth: 1982

Tom Davis 1982

**8.**Write a program in C to calculate the sum of three numbers with getting input in one line separated by a comma.

Expected Output:

Input three numbers separated by comma: 5,10,15

The sum of three numbers: 30

**9.**Write a C program to perform addition, subtraction, multiplication and division of two numbers.

Expected Output:

Input any two numbers separated by comma: 10,5

The sum of the given numbers: 15

The difference of the given numbers: 5

The product of the given numbers: 50

The quotient of the given numbers: 2.000000

**10.**Write a C program to find the third angle of a triangle if two angles are given.

Expected Output :

Input two angles of triangle separated by comma : 50,70

Third angle of the triangle : 60

Source: W3resource, https://www.w3resource.com/c-programming-exercises/input-output/index.php

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