Compilare: main.cpp: In function 'bool si(bool, bool)': main.cpp:19:13: warning: '*' in boolean context, suggest '&&' instead [-Wint-in-bool-context] 19 | return a*b; | ~^~ main.cpp: In function 'bool evaluare(std::string)': main.cpp:39:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(int i = 0; i < e.size() && ok; i++) | ~~^~~~~~~~~~ main.cpp:43:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | if(paranteze == 0 && i > 0 && i < e.size()-1) ok = 0; | ~~^~~~~~~~~~~~ main.cpp:48:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for(int i = 1; i < e.size() - 1; i++) | ~~^~~~~~~~~~~~~~ main.cpp:62:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for(int i = 0; i < e.size();i++) | ~~^~~~~~~~~~ main.cpp:73:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(int j = i + 3; j < e.size(); j++) | ~~^~~~~~~~~~ main.cpp:80:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | for(int i = 0; i < e.size();i++) | ~~^~~~~~~~~~ main.cpp:91:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for(int j = i + 4; j < e.size(); j++) | ~~^~~~~~~~~~ main.cpp:98:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 98 | for(int i = 0; i < e.size();i++) | ~~^~~~~~~~~~ main.cpp:105:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | for(int j = i + 4; j < e.size(); j++) | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:126:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 126 | for(int i = 0; i < schimbari.size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool evaluare(std::string)': main.cpp:113:1: warning: control reaches end of non-void function [-Wreturn-type] 113 | } | ^