4. Utility functions #

Created Sunday 03 May 2020

1. swap() is a ubiquitous functions which is used to swap values, deeply.
2. max(int x, int y)
3. min(int x, int y)
4. min_element(first, after end) returns the iterator of the first occurring minimum element. stdc++.h
5. max_element(first, after end) returns the iterator of the first occurring maximum element. stdc++.h
6. find(first, last, key) - returns the first item iterator if found by appropriate search
7. minmax_element - returns a pair containing minimum and maximum

Special case:

1. memset(* arr, value, int length_of_array)