/in/foo.cc: In constructor 'Vector3Array::Vector3Array()':
/in/foo.cc:81:12: warning: unused variable 'v' [-Wunused-variable]
   Vector3* v = new Vector3[100];
            ^
/in/foo.cc: In constructor 'Vector3Array::Vector3Array(int)':
/in/foo.cc:86:12: warning: unused variable 'v' [-Wunused-variable]
   Vector3* v = new Vector3[100];
            ^
/in/foo.cc: In member function 'void Vector3Array::Sort()':
/in/foo.cc:101:14: warning: suggest parentheses around comparison in operand of '==' [-Wparentheses]
     if (v[j] < v[j + 1] == false)
         ~~~~~^~~~~~~~~~