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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. void f(unsigned N)
  6. {
  7.     const unsigned stack_array_size=10;
  8.     char stack_array[stack_array_size];
  9.     vector<char> heap_array;
  10.     char *arr=stack_array;
  11.     if(N>stack_array_size)
  12.     {
  13.         heap_array.resize(N);
  14.         arr=&heap_array[0];
  15.     }
  16.     // use arr here
  17. }
  18.  
  19. int main()
  20. {
  21.     f(20);
  22. }
Success #stdin #stdout 0.01s 2852KB
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https://ideone.com/vUIltn
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
secret

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