Compilare: main.cpp: In function 'void add()': main.cpp:26:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for(int i=0;i<s.size();i++) | ~^~~~~~~~~ main.cpp: In function 'void Delete()': main.cpp:42:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for(int i=0;i<s.size();i++) | ~^~~~~~~~~ main.cpp: In function 'int count()': main.cpp:53:15: 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++) | ~^~~~~~~~~ main.cpp: In function 'int lcp()': main.cpp:65:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | for(int i=0;i<s.size();i++) | ~^~~~~~~~~