Compilare: main.cpp: In function 'void insert(std::string&, short int)': main.cpp:75:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for(int i = 0 ; i < a.size() ; i++) | ~~^~~~~~~~~~ main.cpp: In function 'int get(std::string&, std::string&)': main.cpp:106:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | while(i < a.size() && i < b.size()) | ~~^~~~~~~~~~ main.cpp:106:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | while(i < a.size() && i < b.size()) | ~~^~~~~~~~~~