Compilare: main.cpp: In function 'void simplifica()': main.cpp:11:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 11 | while(i<ss.size()) | ~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:28:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for(int i=0; i<modif.size(); ++i) | ~^~~~~~~~~~~~~ main.cpp:30:21: warning: array subscript has type 'char' [-Wchar-subscripts] 30 | val[modif[i]]=!val[modif[i]],j=0 ; | ^ main.cpp:30:36: warning: array subscript has type 'char' [-Wchar-subscripts] 30 | val[modif[i]]=!val[modif[i]],j=0 ; | ^ main.cpp: In function 'bool termen()': main.cpp:59:40: warning: array subscript has type 'char' [-Wchar-subscripts] 59 | else if(isalpha(s[j])) cnt=val[s[j]] ; | ^ main.cpp:60:17: warning: 'cnt' may be used uninitialized in this function [-Wmaybe-uninitialized] 60 | if(!how) cnt=!cnt ; | ~~~^~~~~