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BFS: https://en.wikipedia.org/wiki/Breadth-first_search DFS: https://en.wikipedia.org/wiki/Depth-first_search Backtracking: https://en.wikipedia.org/wiki/Backtracking Heuristic: https://vi.wikipedia.org/wiki/Heuristic
BFS: https://en.wikipedia.org/wiki/Breadth-first_search DFS: https://en.wikipedia.org/wiki/Depth-first_search Backtracking: https://en.wikipedia.org/wiki/Backtracking Heuristic: https://vi.wikipedia.org/wiki/Heuristic