Compilare: main.cpp: In function 'std::vector<int> manacher(const std::vector<std::__cxx11::basic_string<char> >&)': main.cpp:39:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for (int i = 0; i < man.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp:43:46: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | while (i - man[i] >= 0 && i + man[i] < man.size() | ~~~~~~~~~~~^~~~~~~~~~~~ main.cpp: In function 'std::vector<int> getVec(std::vector<int>)': main.cpp:80:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | for(int i=0; i<man.size(); i+=2) | ~^~~~~~~~~~~ main.cpp:86:21: warning: moving a local object in a return statement prevents copy elision [-Wpessimizing-move] 86 | return std::move(ans); | ~~~~~~~~~^~~~~ main.cpp:86:21: note: remove 'std::move' call main.cpp: In function 'long long int solve(std::vector<std::__cxx11::basic_string<char> >)': main.cpp:102:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for(int i=1; i<left.size(); ++i) | ~^~~~~~~~~~~~ main.cpp:107:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 107 | for(int i=1; i<right.size(); ++i) | ~^~~~~~~~~~~~~