/in/foo.cc:11:13: error: stray '\357' in program
   while(j!=0）
             ^
/in/foo.cc:11:14: error: stray '\274' in program
   while(j!=0）
              ^
/in/foo.cc:11:15: error: stray '\211' in program
   while(j!=0）
               ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:12:6: error: expected ')' before '{' token
      {
      ^
/in/foo.cc:13:7: error: 'ans' was not declared in this scope
       ans=j%10;
       ^~~