main.cpp

// g++ main.cpp -o out && ./out

#include <stdio.h>

class Counter {
public:
  Counter() : i(0) {}

  int next() {
    i += 1;
    return i;
  }

private:
  int i;
};

void print(int a, int b, int c, int d);

int main(int argc, char** argv) {
  Counter counter;
  print(counter.next(), counter.next(), counter.next(), counter.next());
  return 0;
}

void print(int a, int b, int c, int d) {
  printf("%d %d %d %d\n", a, b, c, d);
}