2-9.cpp

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#include<iostream.h>
void main()
{
  int n;
  short s;
  long l;
  unsigned int u1;
  unsigned int u2;
  unsigned int u3;
  float f;
  double d;
  char c;
  cout<<"整型:"<<8*sizeof(n)<<endl;
  cout<<"短整型:"<<8*sizeof(s)<<endl;
  cout<<"长整型:"<<8*sizeof(l)<<endl;
  cout<<"无符号整型:"<<8*sizeof(u1)<<endl;
  cout<<"无符号短整型:"<<8*sizeof(u2)<<endl;
  cout<<"无符号长整型:"<<8*sizeof(u3)<<endl;
  cout<<"单精度整型:"<<8*sizeof(f)<<endl;
  cout<<"双精度整型:"<<8*sizeof(d)<<endl;
  cout<<"字符型:"<<8*sizeof(c)<<endl;
}