satvik007's blog

By satvik007, history, 14 months ago, In English

Using lambda expression inside sort.

GNUC++14 Runtime error

GNUC++11 AC

Using comp function instead of lambda.

GNUC++14 Runtime error

GNUC++11 AC

Clang++17 AC

I don't understand why I am getting undefined behaviour. I have used only basic constructs.

 
 
 
 
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14 months ago, # |
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Use > instead of >= in comparator.

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    14 months ago, # ^ |
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    I had a similar error which got fixed by this method. Can you please explain what is the reason for the same?

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      14 months ago, # ^ |
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      Because that's how it is defined

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        14 months ago, # ^ |
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        Please, don't reply with useless information. That's annoying

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          14 months ago, # ^ |
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          What do you mean? That's just how it is defined, that's how they made it.

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14 months ago, # |
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When you compose a cmp function bool cmp(const T &t1, const T &t2), it should return false when the two parameters t1, t2 have the same value. This detail makes sense and just remember it.