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class B{
public:
int m_iNum;
virtual void foo();
};
class D:public B{
public:
char *m_szName[100];
};
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D *pd1 = static_cast(pb);
D *pd2 = dynamic_cast(pb);
}
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C preprocessor

http://en.wikipedia.org/wiki/C_preprocessor
C preprocessor
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The C preprocessor (cpp) is the preprocessor for the C programming language. In many C implementations, it is a separate program invoked by the compiler as the first part ......

strassen in c language.

#include<stdio.h>
#define N 8
void input(int n,int p[N][N])
{
 int i,j;
 for(i=0;i<n;i++)
 {
  printf("please input the %d line:\n",i+1);
  for(j=0;j<n;j++)
  {
  scanf("%d",&p[i][j]);
 }
}
 }
void output(int n,int p[N][N])
......

CÖ¸ÕëÖ®ÃÀÒ»£ºÉñÆæµÄº¯Êý

void mystery(int n)
{
 n += 5;
 n /= 10;
 printf(" :%s\n","***********" + 10 -n);
}
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c ÓïÑÔÏÝÚå

Ô­Öø£ºAndrew Koenig - AT&T Bell Laboratories Murray Hill, New Jersey 07094
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