matrix Problems | Design Gurus

Data Structures

11 problems

#	Title	Acceptance	Difficulty
1	Number of Islands (easy) graph breadth-first search depth-first search +3 more	49.4%	easy
2	Biggest Island (easy) graph matrix depth-first search +2 more	47.5%	easy
3	Flood Fill (easy) breadth-first search depth-first search recursion +2 more	38.5%	easy
4	Problem Challenge 1 (easy) matrix recursion depth-first search	27.4%	easy
5	Problem Challenge 2 (medium) graph breadth-first search depth-first search +4 more	62.6%	Med.
6	Problem Challenge 3 (medium) graph matrix depth-first search +1 more	19.1%	Med.
7	Problem Challenge 1: Flip and Invert an Image (hard) array matrix two pointers +1 more	58.3%	hard
8	Kth Smallest Number in a Sorted Matrix (hard) binary search sorting matrix +1 more	55.8%	hard
9	Word Search (medium) depth-first search backtracking graph algorithms +3 more	28.7%	Med.
10	Valid Sudoku (medium) matrix hash set hash map +2 more	35.8%	Med.
11	Pacific Atlantic Water Flow (medium) depth-first search breadth-first search graph +1 more	30.3%	Med.