/in/foo.cc: In function 'int compare_word(char*, char*)':
/in/foo.cc:19:13: warning: unused variable 'i' [-Wunused-variable]
   19 |         int i;
      |             ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:54:19: warning: unused variable 'd' [-Wunused-variable]
   54 |         int n,i,j,d[1001]={0},k,t=0;
      |                   ^
/in/foo.cc:54:31: warning: unused variable 'k' [-Wunused-variable]
   54 |         int n,i,j,d[1001]={0},k,t=0;
      |                               ^
/in/foo.cc:54:33: warning: unused variable 't' [-Wunused-variable]
   54 |         int n,i,j,d[1001]={0},k,t=0;
      |                                 ^