example C

exampleC.cpp

void back(int x, int y)
{
  b--;
  a = p[b];
  h[a] = 0;
  du[a + b] = 0;
  dd[a + N - b - 1] = 0;
  a++;
}

//.....

int _tmain(int argc, _TCHAR* argv[])
{
  for(int j = 0; j < N; j++) {
    for(int k = 0; k < 2 - N - 1; k++) {
      ///....
    }
  }
}