/in/foo.cc:111:1: error: stray '\357' in program
 
 ^
/in/foo.cc:111:2: error: stray '\273' in program
 
  ^
/in/foo.cc:111:3: error: stray '\277' in program
 
   ^
/in/foo.cc: In member function 'void BN::out()':
/in/foo.cc:22:36: warning: format '%d' expects argument of type 'int', but argument 2 has type 'll {aka long long int}' [-Wformat=]
     void out(){printf("%d",num[len]);for(int i=len-1;i>=0;i--) printf("%08d",num[i]);}
                                    ^
/in/foo.cc:22:84: warning: format '%d' expects argument of type 'int', but argument 2 has type 'll {aka long long int}' [-Wformat=]
     void out(){printf("%d",num[len]);for(int i=len-1;i>=0;i--) printf("%08d",num[i]);}
                                                                                    ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:84:9: warning: unused variable 'i' [-Wunused-variable]
     int i;
         ^