brperm.cpp: In function 'int query(int, int)':
brperm.cpp:2:20: warning: statement has no effect [-Wunused-value]
2 | #define debug(...) 42
| ^~
brperm.cpp:26:9: note: in expansion of macro 'debug'
26 | debug(j, k);
| ^~~~~
brperm.cpp:2:20: warning: statement has no effect [-Wunused-value]
2 | #define debug(...) 42
| ^~
brperm.cpp:27:9: note: in expansion of macro 'debug'
27 | debug(s);
| ^~~~~
brperm.cpp:2:20: warning: statement has no effect [-Wunused-value]
2 | #define debug(...) 42
| ^~
brperm.cpp:28:9: note: in expansion of macro 'debug'
28 | debug(i + j);
| ^~~~~
brperm.cpp:2:20: warning: statement has no effect [-Wunused-value]
2 | #define debug(...) 42
| ^~
brperm.cpp:29:9: note: in expansion of macro 'debug'
29 | debug(i + k);
| ^~~~~
brperm.cpp:2:20: warning: statement has no effect [-Wunused-value]
2 | #define debug(...) 42
| ^~
brperm.cpp:30:9: note: in expansion of macro 'debug'
30 | debug(s[i + j], s[i + k]);
| ^~~~~