foo.cc: In function 'int main()':
foo.cc:25:14: warning: statement has no effect [-Wunused-value]
   25 |         for (iter; iter != m.end(); iter++)
      |              ^~~~
foo.cc:11:26: warning: 'i' is used uninitialized [-Wuninitialized]
   11 |         while(cin>>word[i++]);
      |                         ~^~
foo.cc:10:13: note: 'i' was declared here
   10 |         int i, j;
      |             ^

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