/in/foo.cc: In function 'int main()':
/in/foo.cc:92:33: warning: statement is a reference, not call, to function 'getanswer' [-Waddress]
   92 |                                 getanswer;
      |                                 ^~~~~~~~~
/in/foo.cc:92:33: warning: statement has no effect [-Wunused-value]
/in/foo.cc:60:19: warning: unused variable 'k' [-Wunused-variable]
   60 |         int i, j, k, t, l, flag;
      |                   ^
/in/foo.cc:60:25: warning: unused variable 'l' [-Wunused-variable]
   60 |         int i, j, k, t, l, flag;
      |                         ^