Compilare: main.cpp: In function 'int main()': main.cpp:38:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for (int t = 1; t < b.length(); ++t) { | ~~^~~~~~~~~~~~ main.cpp:48:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for (int t = 0; t < a.length(); ++t) { | ~~^~~~~~~~~~~~ main.cpp:51:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | if (k == b.length()) { | ~~^~~~~~~~~~~~~ main.cpp:113:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 113 | for (int i = 1; i < order.size(); ++i) { | ~~^~~~~~~~~~~~~~ main.cpp:116:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 116 | for (int j = a.length() - c; j < a.length(); ++j) { | ~~^~~~~~~~~~~~