http://www.programiz.com/article/insertion-sort-algorithm-programming
http://quiz.geeksforgeeks.org/insertion-sort/
http://www.sparknotes.com/cs/searching/hashtables/section3/page/2/
http://see-programming.blogspot.in/2013/05/chain-hashing-separate-chaining-with.html
http://www.thelearningpoint.net/computer-science/arrays-and-searching-binary-search--with-c-program-source-code
http://www.studytonight.com/data-structures/bubble-sort
http://www.programmingsimplified.com/c/source-code/c-program-linear-search
http://www.tutorialspoint.com/data_structures_algorithms/linked_list_program_in_c.htm
http://www.sanfoundry.com/c-program-reverse-linked-list/