第九章2-3题

第2题

#include<string>
#include<iostream>
using namespace std;
void strCount(const string& str);

int main()
{
  int i = 1;
  string nx;
  while(1)
   {
     cout<<"请输入第"<<i<<"个句子.(q To exit)";
     getline(cin,nx);
     if(nx == "q")
      break;
     else strCount(nx);
     ++i;
    }
  cout<<"Bye";
 return 0;
}
void strCount(const string& str)
{
  static int total = 0;
  total += str.size();
  cout<<"总共输入了"<<total<<"个字母."<<endl;
}

第3题

#include<iostream>
#include<cstring>
struct chaff
{
  char dross[20];
  int slag;
};
int main()
{
  using namespace std;
  chaff* rb = new chaff[10];
  for(int i = 0 ; i < 10 ; ++i)
   {
    cout<<"请输入第"<<i+1<<"个渣渣的名称:";
    cin.getline((rb+i)->dross,20);
    cout<<"请输入这个渣渣的战斗力:";
    cin>>(rb+i)->slag;    //均没有检查输入
    cin.get();
   }
  for(int i = 0 ; i < 10 ; ++i)
  {
   cout<<"第"<<i+1<<"个渣渣名叫"<<(rb+i)->dross<<endl;
   cout<<"该渣渣战斗力为:"<<(rb+i)->slag<<endl;
  }
 delete [] rb;
 return 0;
}