sorablaze_11's blog

Timeout while using DFS
By sorablaze_11, history, 8 years ago, In English

I am solving this problem. And here is the solution. I am using only a simple dfs but it is showing timeout. I am not able to understand why, as time complexity of dfs is O(V + E) and my solution is well within the limits. Can someone help me? Please.

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8 years ago, hide # |
 
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It is probably because last parametr of dfs runningSum is taken by value instead of by reference. So for each dfs call new copy of this vector is created.

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