Question

How to use static variable in a function with C++

Answer 1

#include <iostream>

void f() {
    static int num = 0;
    
    std::cout << num << " - ";
    
    num++;
}
  
int main()
{
    for (int i = 0; i< 10; i++)
        f();
}
  
  
  
  
/*
run:
  
0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 
  
*/

 

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