/in/foo.cc: In function 'int main()':
/in/foo.cc:49:17: warning: unused variable 'possiblecnt' [-Wunused-variable]
             int possiblecnt = 0;
                 ^~~~~~~~~~~
/in/foo.cc:37:14: warning: unused variable 'temp' [-Wunused-variable]
         char temp[nmax];
              ^~~~