scanf(), printf() Function in C

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Introduction

The scanf function allows you to accept input from standard in, which for us is generally the keyboard. The scanf function can do a lot of different things, but can be unreliable because it doesn’t handle human errors very well. But for simple programs it’s good enough and easy to use.

Example 1:



Output:

 Enter 1st numbers : 4
 Enter 2nd numbers : 16
 Addition is : 20
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Example 2:



Output:

 Enter any positive integer: 6

 Factorial of 6 is 720 

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