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LeetCode: Number of enclaves C#
https://leetcode.com/problems/number-of-enclaves/
Given a 2D array A, each cell is 0 (representing sea) or 1 (representing land)
A move consists of walking from one land square 4-directionally to ...
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5
votes
1
answer
6k
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Sudoku solver recursive solution with clear structure
Problem statement
Similar to Leetcode 37 Sudoku solver, the algorithm is to determine if the sudoku board can be filled with ‘1’,‘2’,…,‘9’.
A sudoku board is represented as a two-dimensional 9x9 ...
- 2,396
5
votes
3
answers
22k
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Graph Creation and BFS + DFS in C#
I was asked to implement a graph and BFS and DFS.
Please comment. Is it understandable? Is my algorithm correct? Are there any optimizations?
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