Dfs
leetcode questions: Backtracking
Template def backtrack(candidate): if find_solution(candidate): output(candidate) return # iterate all possible candidates. for next_candidate in list_of_candida
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DFS Templates Template 1: /* * Return true if there is a path from cur to target. */ boolean DFS(Node cur, Node target, Set<Node> visited) { return true if cur is target; for (ne
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