/in/foo.cc: In function 'int main()':
/in/foo.cc:28:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (i = 0; i < v.size(); ++i)
               ~~^~~~~~~~~~
/in/foo.cc: In function 'int getMin(int, int, int)':
/in/foo.cc:12:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^