Compilare: main.cpp: In function 'int main()': main.cpp:30:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | while (poz < s.size() && isdigit(s[poz])) | ~~~~^~~~~~~~~~ main.cpp:36:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | while (poz < s.size() && isdigit(s[poz])) | ~~~~^~~~~~~~~~ main.cpp:58:17: warning: unused variable 'b1' [-Wunused-variable] 58 | int b1 = (conf[j - 1] & (1 << poz)), b2 = (conf[j - 1] & (1 << comp[j][poz])); | ^~