Eroare de compilare: main.cpp: In function 'std::string guess(int, int)': main.cpp:28:13: warning: unused variable 'id' [-Wunused-variable] 28 | int id = 0; | ^~ /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/10/../../../x86_64-linux-gnu/crt1.o: in function `_start': (.text+0x20): undefined reference to `main' /usr/bin/ld: ./cchKQQwf.o: in function `guess[abi:cxx11](int, int)': main.cpp:(.text+0x2cf): undefined reference to `query(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)' /usr/bin/ld: main.cpp:(.text+0x344): undefined reference to `query(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)' /usr/bin/ld: main.cpp:(.text+0x999): undefined reference to `query(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)' collect2: error: ld returned 1 exit status Non zero exit status: 1