这个为何运行不了，新手求助

#include <iostream.h>
void main()
{
int number；
cout<<"请输入学号:"<<endl;
cin>>number;
switch(number)
{
case 1：
cout<<"恭喜您，分数为88"<<endl；
break；
case 2：
cout<<"恭喜您，分数为88"<<endl；
break；
case 3：
cout<<"恭喜您，分数为88"<<endl；
break；
case 4：
cout<<"恭喜您，分数为88"<<endl；
break；
case 5：
cout<<"恭喜您，分数为88"<<endl；
break；
case 6：
cout<<"恭喜您，分数为88"<<endl；
break；
default：
cout<<"输入非法"<<endl；
break；
}
}
求大神助，哪里错了？显示运行不了

执行 cl.exe 时出错.
是什么意思啊，那里
我的vc这么写的

--------------------Configuration: 分数查找 - Win32 Debug--------------------
Compiling...
分数查找.cpp
D:\zhengzhicyuyan\进化了\分数查找.cpp(4) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(4) : error C2018: unknown character '0xbb'
D:\zhengzhicyuyan\进化了\分数查找.cpp(5) : error C2146: syntax error : missing ';' before identifier 'cout'
D:\zhengzhicyuyan\进化了\分数查找.cpp(9) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(9) : error C2018: unknown character '0xba'
D:\zhengzhicyuyan\进化了\分数查找.cpp(10) : error C2146: syntax error : missing ':' before identifier 'cout'
D:\zhengzhicyuyan\进化了\分数查找.cpp(10) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(10) : error C2018: unknown character '0xbb'
D:\zhengzhicyuyan\进化了\分数查找.cpp(11) : error C2143: syntax error : missing ';' before 'break'
D:\zhengzhicyuyan\进化了\分数查找.cpp(11) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(11) : error C2018: unknown character '0xbb'
D:\zhengzhicyuyan\进化了\分数查找.cpp(12) : error C2143: syntax error : missing ';' before 'case'
D:\zhengzhicyuyan\进化了\分数查找.cpp(12) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(12) : error C2018: unknown character '0xba'
D:\zhengzhicyuyan\进化了\分数查找.cpp(13) : error C2146: syntax error : missing ':' before identifier 'cout'
D:\zhengzhicyuyan\进化了\分数查找.cpp(13) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(13) : error C2018: unknown character '0xbb'
D:\zhengzhicyuyan\进化了\分数查找.cpp(14) : error C2143: syntax error : missing ';' before 'break'
D:\zhengzhicyuyan\进化了\分数查找.cpp(14) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(14) : error C2018: unknown character '0xbb'
D:\zhengzhicyuyan\进化了\分数查找.cpp(15) : error C2143: syntax error : missing ';' before 'case'
D:\zhengzhicyuyan\进化了\分数查找.cpp(15) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(15) : error C2018: unknown character '0xba'
D:\zhengzhicyuyan\进化了\分数查找.cpp(16) : error C2146: syntax error : missing ':' before identifier 'cout'
D:\zhengzhicyuyan\进化了\分数查找.cpp(16) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(16) : error C2018: unknown character '0xbb'
D:\zhengzhicyuyan\进化了\分数查找.cpp(17) : error C2143: syntax error : missing ';' before 'break'
D:\zhengzhicyuyan\进化了\分数查找.cpp(17) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(17) : error C2018: unknown character '0xbb'
D:\zhengzhicyuyan\进化了\分数查找.cpp(18) : error C2143: syntax error : missing ';' before 'case'
D:\zhengzhicyuyan\进化了\分数查找.cpp(18) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(18) : error C2018: unknown character '0xba'
D:\zhengzhicyuyan\进化了\分数查找.cpp(19) : error C2146: syntax error : missing ':' before identifier 'cout'
D:\zhengzhicyuyan\进化了\分数查找.cpp(19) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(19) : error C2018: unknown character '0xbb'
D:\zhengzhicyuyan\进化了\分数查找.cpp(20) : error C2143: syntax error : missing ';' before 'break'
D:\zhengzhicyuyan\进化了\分数查找.cpp(20) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(20) : error C2018: unknown character '0xbb'
D:\zhengzhicyuyan\进化了\分数查找.cpp(21) : error C2143: syntax error : missing ';' before 'case'
D:\zhengzhicyuyan\进化了\分数查找.cpp(21) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(21) : error C2018: unknown character '0xba'
D:\zhengzhicyuyan\进化了\分数查找.cpp(22) : error C2146: syntax error : missing ':' before identifier 'cout'
D:\zhengzhicyuyan\进化了\分数查找.cpp(22) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(22) : error C2018: unknown character '0xbb'
D:\zhengzhicyuyan\进化了\分数查找.cpp(23) : error C2143: syntax error : missing ';' before 'break'
D:\zhengzhicyuyan\进化了\分数查找.cpp(23) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(23) : error C2018: unknown character '0xbb'
D:\zhengzhicyuyan\进化了\分数查找.cpp(24) : error C2143: syntax error : missing ';' before 'case'
D:\zhengzhicyuyan\进化了\分数查找.cpp(24) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(24) : error C2018: unknown character '0xba'
D:\zhengzhicyuyan\进化了\分数查找.cpp(25) : error C2146: syntax error : missing ':' before identifier 'cout'
D:\zhengzhicyuyan\进化了\分数查找.cpp(25) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(25) : error C2018: unknown character '0xbb'
D:\zhengzhicyuyan\进化了\分数查找.cpp(26) : error C2143: syntax error : missing ';' before 'break'
D:\zhengzhicyuyan\进化了\分数查找.cpp(26) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(26) : error C2018: unknown character '0xbb'
D:\zhengzhicyuyan\进化了\分数查找.cpp(27) : error C2143: syntax error : missing ';' before 'default'
D:\zhengzhicyuyan\进化了\分数查找.cpp(27) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(27) : error C2018: unknown character '0xba'
D:\zhengzhicyuyan\进化了\分数查找.cpp(28) : error C2146: syntax error : missing ':' before identifier 'cout'
D:\zhengzhicyuyan\进化了\分数查找.cpp(28) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(28) : error C2018: unknown character '0xbb'
D:\zhengzhicyuyan\进化了\分数查找.cpp(29) : error C2143: syntax error : missing ';' before 'break'
D:\zhengzhicyuyan\进化了\分数查找.cpp(29) : error C2018: unknown character '0xa3'
D:\zhengzhicyuyan\进化了\分数查找.cpp(29) : error C2018: unknown character '0xbb'
D:\zhengzhicyuyan\进化了\分数查找.cpp(30) : error C2143: syntax error : missing ';' before '}'
执行 cl.exe 时出错.
分数查找.exe - 1 error(s), 0 warning(s)
没别的话

cl.exe 是VC使用的编译器，“执行 cl.exe 时出错”就是编译出错

iostream.h洗洗睡吧