Compilare: main.cpp: In function 'int32_t main()': main.cpp:36:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | while (ind < text.size()) { | ~~~~^~~~~~~~~~~~~ main.cpp:38:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | while (ind < text.size() and text[ind] >= 'a' and text[ind] <= 'z') { | ~~~~^~~~~~~~~~~~~ main.cpp:50:23: 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] 50 | for (int i = 1; i < words.size(); ++i) { | ~~^~~~~~~~~~~~~~ main.cpp:61:23: 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] 61 | for (int i = 0; i < words.size(); ++i) { | ~~^~~~~~~~~~~~~~