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Getting memory limit exceeded error
Автор LunaticPriest, история, 5 лет назад, По-английски

Hello, I'm solving a basic connected components . My code is this . I tried switching to bitsets and a map instead of vectors, and also wrote my dfs iteratively in case of stack overflow. What can be the problem? Thanks!

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5 лет назад, # |
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You are using O(n^2) amounts of memory, which is too much.

When you try to access an element in a map in c++, if the element isn't there the default value of that element is inserted into the map, so your dfs blows up the memory.

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