Calculating Time Intervals using difftime and clock

This video tutorial is one of the 100 video tutorials made by the Learning Lad on c programming which explains the difftime() and clock() functions in c.

The tutorial begins with the syntax of the difftime and clock functions and then explains how to get the time difference in seconds in c using difftime functions and also how to get the time taken by the program to call a function in a c program.
You will learn what are these functions,what is the use of them,how to use these functions,and also how to get the time taken in seconds  to execute a block of c code in detail with an example.
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