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:68:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | if(i < e.size() - 1) | ~~^~~~~~~~~~~~~~ main.cpp:77:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | for(int j = i + 3; j < e.size(); j++) | ~~^~~~~~~~~~ main.cpp:86:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 86 | for(int i = 0; i < e.size();i++) | ~~^~~~~~~~~~ main.cpp:92:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 92 | if(i < e.size() - 1) | ~~^~~~~~~~~~~~~~ main.cpp:101:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 101 | for(int j = i + 4; j < e.size(); j++) | ~~^~~~~~~~~~ main.cpp:110:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 110 | for(int i = 0; i < e.size();i++) | ~~^~~~~~~~~~ main.cpp:116:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 116 | if(i < e.size() - 1) | ~~^~~~~~~~~~~~~~ main.cpp:121:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 121 | for(int j = i + 4; j < e.size(); j++) | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:144:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 144 | for(int i = 0; i < schimbari.size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool evaluare(std::string)': main.cpp:131:1: warning: control reaches end of non-void function [-Wreturn-type] 131 | } | ^