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Asked: 2026-06-18T05:11:57+00:00

I have a relatively simple question. In one of my CS classes, for an

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I have a relatively simple question. In one of my CS classes, for an assignment, we have to make a simple side-scrolling game using C++ and the XLib libraries. In a forum we have for the class, a lot of students complained about memory leaks and issues with dynamic allocation. I am almost done the assignment, but I haven’t had to use any dynamic allocation. I’ve just been using stack space, and have had no issues with this so far.

I am just wondering if there is any drawbacks to this? Seems like a lot of the other students are using dynamic allocation. If my little game works fine just using the stack, do I have any reason to worry?

Thanks guys.

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1 Answer

  1. Editorial Team

    There is nothing wrong per-se about using memory on the stack, though you need to be careful about allocating anything of decent size.

    For instance:

    // inside some function ...
int blah[1000];
// ...code using blah

    might work fine, or you could run out of space and fail silently.

    I would suggest using new / malloc() if you need a big chunk of memory, but it’s fine to use small arrays on the stack.

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