帮忙看看程序，不知道错在那？谢谢

程序运行到A，B行，就会跳出中止的对话框，
把A，B行注释掉，就能正常运行，不知道怎么回事？
想知道为什么？
void main()
{
int year,month,day,hour,minute;
int hsp_index;
double total_red,zj_red,jj_red;
char taken_medicine;
char *hsp_name,*taken;
hsp_name=NULL;
taken=NULL;
char start_prgrm,time_flag,hsp_flag,data_flag,medicine_flag,goon_flag;

fstream file;
file.open("test.txt",ios::out|ios::ate);
if(!file){
cout<<"无法打开文件!"<<endl;
exit(1);
}
do{
cout<<"欢迎使用体检数据录入系统"<<'\n'
<<"--------------------------------------------------------------------------------"<<'\n'
<<"\twritten by howard neil,\tall rights reserved!"<<'\n'
<<"--------------------------------------------------------------------------------"<<'\n'
<<"是否开始程序，录入体检数据(y/n)?"<<endl;
cin>>start_prgrm;
if(start_prgrm=='y'||start_prgrm=='Y'){
do{
cout<<"请输入体检的时间:"<<'\n'
<<"\t格式:yyyy年mm月dd日hh时mm分"<<endl;
cin>>year>>month>>day>>hour>>minute;
cout<<"确定(y/n)?"<<endl;
cin>>time_flag;
} while(time_flag=='n'||time_flag=='N');
do{
cout<<"请输入医院的索引:"<<'\n'
<<"\t0--无锡市传染病医院 \n\t1--南京市第二人民医院 \n\t2--南京理工大学校医院"
<<endl;
cin>>hsp_index;
switch(hsp_index){
case 0: hsp_name=new char[17];
hsp_name="无锡市传染病医院";
break;
case 1: hsp_name=new char[19];
hsp_name="南京市第二人民医院";
break;
case 2: hsp_name=new char[19];
hsp_name="南京理工大学校医院";
break;
default: break;
}
cout<<"确定(y/n)?"<<endl;
cin>>hsp_flag;
} while(hsp_flag=='n'||hsp_flag=='N');
do{
cout<<"请输入体检数据:"<<'\n'
<<"\t格式:总胆红素/直接胆红素"<<endl;
cin>>total_red>>zj_red;
jj_red=total_red-zj_red;
cout<<"确定(y/n)?"<<endl;
cin>>data_flag;
} while(data_flag=='n'||data_flag=='N');
do{
cout<<"请输入服药情况:"<<'\n'
<<"\t格式:t--服 n--否"<<endl;
cin>>taken_medicine;
switch(taken_medicine){
case 't': taken=new char[3];
taken="服";
break;
case 'T': taken=new char[3];
taken="服";
break;
case 'n': taken=new char[3];
taken="否";
break;
case 'N': taken=new char[3];
taken="否";
break;
default: break;
}
cout<<"确定(y/n)?"<<endl;
cin>>medicine_flag;
} while(medicine_flag=='n'||medicine_flag=='N');
}
else{
cout<<"欢迎下次使用本程序!"<<endl;
}


file<<year<<"年"<<month<<"月"<<day<<"日"<<'\t'
<<hour<<"时"<<minute<<"分"<<'\t'
<<hsp_name<<'\t'
<<total_red<<'/'<<zj_red<<'/'<<jj_red<<'\t'
<<taken<<endl;

//A delete []hsp_name; //运行到这里就会异常
//B delete []taken; //原因？？


cout<<"是否继续录入体检数据(y/n)?"<<endl;
cin>>goon_flag;
} while(goon_flag=='y'||goon_flag=='Y');
file.close();
}