/in/foo.cc: In function 'int query(int, int, int, int, int, int&, int&, int&)':
/in/foo.cc:97:6: warning: variable 'm1' set but not used [-Wunused-but-set-variable]
  int m1, lm1, rm1, s1, m2, lm2, rm2, s2;
      ^~
/in/foo.cc:97:24: warning: variable 'm2' set but not used [-Wunused-but-set-variable]
  int m1, lm1, rm1, s1, m2, lm2, rm2, s2;
                        ^~