Compilare: main.cpp: In function 'int KMP(std::string, std::string)': main.cpp:40:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for (int i = 1; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp: In function 'bool caut_subsir(std::string, std::string)': main.cpp:58:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for (int i = 1; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:66:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | if (len[i] == b.size() && i >= 2*b.size()-1) | ~~~~~~~^~~~~~~~~~~ main.cpp:66:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | if (len[i] == b.size() && i >= 2*b.size()-1) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void ciclu_hamiltonian()': main.cpp:125:21: warning: unused variable 'ok' [-Wunused-variable] 125 | int ok = 1; | ^~ main.cpp:161:48: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 161 | for (int j = cost[sol[i+1]][sol[i]]; j < adn2[sol[i]].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~