Visual Studio Issue(I'm not sure myself) | Together C & C++ | Page 1

slow radish Oct 31, 2023, 4:58 PM

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I was doing some homework and I noticed VS seems to not run my code, giving errors.
The same code can be ran through an online compiler and work.

agile yewBOT Oct 31, 2023, 4:58 PM

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@slow radish

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vapid saddle Oct 31, 2023, 5:01 PM

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Variable length arrays are a (cursed) gcc extension and are not valid C++

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You should be using a vector, or a fixed sized array

slow radish Oct 31, 2023, 5:03 PM

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My homework asks for it to be variable, so I'm unsure what to do now.

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I'm supposed to build an array

vapid saddle Oct 31, 2023, 5:04 PM

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a vector is dynamically sized

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if you're not allowed to use them, you'll have to heap allocate it with new[] and delete[]

slow radish Oct 31, 2023, 5:06 PM

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I'll be honest, I am very much confused by what you're telling me.

vapid saddle Oct 31, 2023, 5:06 PM

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you cannot do ```cpp
int n;
std::cin >> n;
int a[n];

in C++, it isn't valid

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so you need to do it another way. Have you seen vectors or manual memory management?

slow radish Oct 31, 2023, 5:08 PM

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Yes, I did learn about vectors.

vapid saddle Oct 31, 2023, 5:13 PM

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that's what you need to use instead

slow radish Oct 31, 2023, 5:14 PM

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I'll try and see what I can do.

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Thanks and sorry for taking up your time.

agile yewBOT Oct 31, 2023, 5:14 PM

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Thank you and let us know if you have any more questions!

This thread is now set to auto-hide after an hour of inactivity

vapid saddle Oct 31, 2023, 5:14 PM

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you're welcome, good luck raldHeart

slow radish Oct 31, 2023, 5:20 PM

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Jesus Christ, am I dumb

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I just had to replace the n with the maximum value allowed for n to have.

#Visual Studio Issue(I'm not sure myself)