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Help : DFS Runtime error problem.
By krishna_7, history, 6 years ago, In English

So I have been trying a DFS problem. But it is giving me a runtime error on test 9. However, I am not able to understand why I am getting runtime error. It has been two hours now. Someone please help me.

Edit: This is my code.

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6 years ago, # |
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The cmp for sort() is required to define "less then".

If cmp(a, a) returns true, which violates the requirment, the behavior is undefined.

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