refuge

#include<stdio.h>
#include<time.h>
const int XDIM = 0xF00;
const int YDIM = 0xF00;
void xy()
{
  char** buff = new char* [XDIM];
  for(int i=0; i<XDIM;i++)
     *(buff+i) = new char[YDIM];
  int x, y;
  clock_t oldclock, newclock;
  oldclock = clock();
  for(x = 0; x < XDIM; x++)
    for(y = 0; y < YDIM; y++)
      buff[x][y] = '\0';
  newclock = clock();
  printf("x->y: %0.4f\n",(float) (newclock - oldclock) / (float) CLOCKS_PER_SEC);
  return;
}
void yx()
{
  char** buff = new char* [XDIM];
  for(int i=0; i<XDIM;i++)
     *(buff+i) = new char[YDIM];
  int x, y;
  clock_t oldclock, newclock;
  oldclock = clock();
  for(y = 0; y < YDIM; y++)
    for(x = 0; x < XDIM; x++)
      buff[x][y] = '\0';
  newclock = clock();
  printf("y->x: %0.4f\n", (float)(newclock - oldclock) / (float) CLOCKS_PER_SEC);
  return;
}
main()
{
     xy();
     yx();
}