matrix Problems | Design Gurus

Data Structures

13 problems

#	Title	Acceptance	Difficulty
1	Number of Provinces (medium) graph depth-first search union-find +3 more	41.6%	Med.
2	Number of Islands (easy) matrix graph matrix traversal +4 more	49.3%	easy
3	Biggest Island (easy) matrix breadth-first search depth-first search +4 more	47.4%	easy
4	Flood Fill (easy) breadth-first search depth-first search recursion +3 more	38.4%	easy
5	Problem Challenge 1 (easy) array matrix depth-first search +2 more	27.3%	easy
6	Problem Challenge 2 (medium) graph matrix breadth-first search +3 more	62.6%	Med.
7	Problem Challenge 3 (medium) graph depth-first search matrix +1 more	19.1%	Med.
8	Problem Challenge 1: Flip and Invert an Image (hard) array matrix	58.2%	hard
9	Kth Smallest Number in a Sorted Matrix (hard) binary search sorting matrix +1 more	55.8%	hard
10	Word Search (medium) depth-first search backtracking graph +2 more	28.6%	Med.
11	Number of Provinces (medium) graph depth-first search union-find +3 more	41.6%	Med.
12	Valid Sudoku (medium) matrix hash set hash map +2 more	35.8%	Med.
13	Pacific Atlantic Water Flow (medium) depth-first search breadth-first search graph +1 more	30.2%	Med.