Compilare: main.cpp: In function 'int distanta(std::string&, std::string&)': main.cpp:765:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 765 | for(int i = 1; i<=s1.size(); i++){ | ~^~~~~~~~~~~ main.cpp:768:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 768 | for(int j = 1; j<=s2.size(); j++){ | ~^~~~~~~~~~~ main.cpp:771:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 771 | for(int i = 1; i<=s1.size(); i++){ | ~^~~~~~~~~~~ main.cpp:772:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 772 | for(int j = 1; j<=s2.size(); j++){ | ~^~~~~~~~~~~ main.cpp: In function 'void problemaLeveinstein()': main.cpp:800:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 800 | for(int i=0;i<words.size()-1;i++) | ~^~~~~~~~~~~~~~~ main.cpp:801:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 801 | for(int j=i+1;j<words.size();j++){ | ~^~~~~~~~~~~~~ main.cpp:838:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 838 | for(int i=0; i<words.size();i++){ | ~^~~~~~~~~~~~~