Explain the usage of const, unsigned, and long keywords, with suitable examples.

Question

Answer please

Answer 1

https://stackoverflow.com/questions/14401856/how-do-i-best-use-the-const-keyword-in-c

https://www.learncpp.com/cpp-tutorial/unsigned-integers-and-why-to-avoid-them/

https://www.google.com/amp/s/www.geeksforgeeks.org/difference-between-long-int-and-long-long-int-in-c-cpp/amp/

Answer 2

https://www.tutorialspoint.com/cprogramming/c_constants.htm

https://www.techcrashcourse.com/2015/11/modifiers-in-c-constants-data-types-c.html