Accepted
/in/foo.cc: In function 'int main()':
/in/foo.cc:16:31: warning: variable 'iter' set but not used [-Wunused-but-set-variable]
map<string, int>::iterator iter = voc.find(s1);
^~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:16:31: warning: variable 'iter' set but not used [-Wunused-but-set-variable]
map<string, int>::iterator iter = voc.find(s1);
^~~~
