I was trying to solve a simple DFS question and my code was not passing 2 test cases.
Question:link The solution is also given in the first comment of the problem. Can anyone please explain why the check variable is used in that code.
Thanks.
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doubt in implementation of DFS
I was trying to solve a simple DFS question and my code was not passing 2 test cases.
Question:link The solution is also given in the first comment of the problem. Can anyone please explain why the check variable is used in that code.
Thanks.
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