Compilare: main.cpp: In function 'int main()': main.cpp:17:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for (int start = 0; start < strings[0].length(); ++start) { | ~~~~~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:18:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for (int end = start; end < strings[0].length(); ++end) { | ~~~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:27:59: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 27 | if (commonSubsequence && subsequence.length() > maxSeq) { | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~