Solutions in Rust of some competitive programming problems

Created for the "Competitive Programming" course (academic year 23/24) at the Department of Computer Science of the University of Pisa.

Course Page: https://pages.di.unipi.it/rossano/competitive/

Problems solved

Day	Problems
2023-09-18	Leaders in an Array Maximum Subarray Missing Number
2023-09-21	Sliding Window Maximum Trapping Rain Water
2023-09-25	Find Minimum in a Rotated Sorted Array Find Peak Element First and Last Position of Element in Sorted Array