Compilare: main.cpp: In function 'bool cmpstr(const string&, const string&)': main.cpp:11:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 11 | for (int i = 0; i < a.size(); i++) | ~~^~~~~~~~~~ main.cpp: In function 'bool inclus(const string&, const string&)': main.cpp:22:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for (int i = 0; i < b.size() && poz < a.size(); i++) | ~~^~~~~~~~~~ main.cpp:22:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for (int i = 0; i < b.size() && poz < a.size(); i++) | ~~~~^~~~~~~~~~ main.cpp:25:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | return (poz == a.size()); | ~~~~^~~~~~~~~~~ main.cpp: In function 'bool cmpstr(const string&, const string&)': main.cpp:14:1: warning: control reaches end of non-void function [-Wreturn-type] 14 | } | ^