Compilare: main.cpp: In function 'void addstring(std::string)': main.cpp:28:18: 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 aho_corasick(std::string)': main.cpp:46:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<varf>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for(int i=0;i<trie.size();i++) | ~^~~~~~~~~~~~ main.cpp:53:18: 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:60:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for(int i=0;i<parcurgere.size();i++) | ~^~~~~~~~~~~~~~~~~~