Compilare: main.cpp: In function 'int queryPrefix(std::string)': main.cpp:16:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for( int i = 0; i < s.size(); i++ ){ | ~~^~~~~~~~~~ main.cpp: In function 'int queryCount(std::string)': main.cpp:28:23: 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 < s.size(); i++ ) | ~~^~~~~~~~~~ main.cpp: In function 'void adaug(std::string)': main.cpp:37:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for( int i = 0; i < s.size(); i++ ){ | ~~^~~~~~~~~~ main.cpp: In function 'void sterg(std::string)': main.cpp:53:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for( int i = 0; i < s.size(); i++ ){ | ~~^~~~~~~~~~