#define FOOD_WEIGHTING 19

typedef int bool;

#define TRUE 1
#define FALSE 0

#include <assert.h>

int food_weighting1(int city_size)
{
  int food_weighting_is_for = 4; /* FOOD_WEIGHTING applies to city with
				    foodbox width of 4 */
  int weighting = (food_weighting_is_for * FOOD_WEIGHTING) 
    / (1+city_size);

  /* If the citysize is 1 we assume it will not be so for long, and
     so adjust the value a little downwards. */
  if (city_size == 1) return ((weighting*3)/4);
  else return weighting;
}

#define MAX_CITY_SIZE	50
int food_weighting2(int city_size)
{
  static int cache[MAX_CITY_SIZE];
  static bool cache_valid = FALSE;

  if (!cache_valid) {
    int i = 0;

    for (i = 1; i < MAX_CITY_SIZE; i++) {
      int food_weighting_is_for = 4;	/* FOOD_WEIGHTING applies to city with
					   foodbox width of 4 */
      int weighting = (food_weighting_is_for * FOOD_WEIGHTING)  / (1 + i);

      /* If the citysize is 1 we assume it will not be so for long, and
         so adjust the value a little downwards. */
      if (i == 1) {
	weighting = ((weighting * 3) / 4);
      }
      cache[i] = weighting;
    }
    cache_valid = TRUE;
  }

  assert(city_size > 0 && city_size < MAX_CITY_SIZE);

  return cache[city_size];
}

int food_weighting3(int city_size)
{
    return city_size;
}

int main()
{
    int i,j=0;

    for(i=0;i<100000000;i++)
	j+=food_weighting3((i&15)+1);
    return j;
}