/in/foo.cc: In function 'int main()':
/in/foo.cc:36:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if (str.find(nums[i]) != -1)
                 ~~~~~~~~~~~~~~~~~~^~~~~
/in/foo.cc: In function 'int findmax(int*, int)':
/in/foo.cc:23:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^