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C is a general-purpose computer programming language used for operating systems, games, and other high performance work and is clearly distinct from C++. It was developed in 1972 by Dennis Ritchie for use with the Unix operating system.

6 votes
3 answers
738 views

Euclidean algorithm to determine GCD (greatest common divisor) in C -- alternative method

Been looking into some simple algorithms, I came up with the following piece of code in C to implement the Euclidean algorithm iteratively (I like to be clear here, I don't want the recursive implementation …
3 votes
1 answer
297 views

Invert n bits beginning at position p of an unsigned integer

In an attempt to create a function that returns x with the n bits that begin at position p inverted, leaving the others unchanged - following the exercise in K&R - I've come up with the following piec …