View Compilation Error

0_0_34905873_10545.cpp:7:5: error: stray '\243' in program
     long long int n；//没给数据范围，我担心所以开了个ll
     ^
0_0_34905873_10545.cpp:7:5: error: stray '\273' in program
0_0_34905873_10545.cpp: In function 'int main()':
0_0_34905873_10545.cpp:8:5: error: expected initializer before 'int'
     int answer;
     ^
0_0_34905873_10545.cpp:9:16: error: 'n' was not declared in this scope
     while(cin>>n&&n){
                ^
0_0_34905873_10545.cpp:10:8: error: 'answer' was not declared in this scope
        answer = function(n);
        ^