/in/foo.cc: In function 'int main()':
/in/foo.cc:7:15: error: expected ';' before '<=' token
  for(int i=1,i<=10;i++)cin>>a[i];
               ^~
/in/foo.cc:7:15: error: expected primary-expression before '<=' token
/in/foo.cc:17:2: error: expected ';' before 'return'
  return 0;
  ^~~~~~
/in/foo.cc:6:10: warning: unused variable 'A' [-Wunused-variable]
  int b,B,A;
          ^