Compilare: main.cpp: In function 'void solve()': main.cpp:71:18: warning: statement has no effect [-Wunused-value] 71 | #define dbg(...) 42 | ^~ main.cpp:116:5: note: in expansion of macro 'dbg' 116 | dbg(last, i, j); | ^~~ main.cpp:71:18: warning: statement has no effect [-Wunused-value] 71 | #define dbg(...) 42 | ^~ main.cpp:134:6: note: in expansion of macro 'dbg' 134 | dbg(); | ^~~ main.cpp:71:18: warning: statement has no effect [-Wunused-value] 71 | #define dbg(...) 42 | ^~ main.cpp:136:7: note: in expansion of macro 'dbg' 136 | dbg(); | ^~~