Compilare: user.cpp: In function ‘int main()’: user.cpp:40:26: warning: second operand of conditional expression has no effect [-Wunused-value] fout << min(rmq[diff][a], rmq[diff][b - (1 << diff) + 1]) << '\n'; ~~~~~~~~~~~^ user.cpp:8:29: note: in definition of macro ‘min’ #define min(a, b) (a < b) ? a : b ^ user.cpp:40:61: warning: third operand of conditional expression has no effect [-Wunused-value] fout << min(rmq[diff][a], rmq[diff][b - (1 << diff) + 1]) << '\n'; ^