Compilare: user.cpp: In function ‘int match(std::string, std::string, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >&)’: user.cpp:12: warning: comparison between signed and unsigned integer expressions user.cpp:14: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘std::vector<int, std::allocator<int> > createKMPTable(std::string)’: user.cpp:49: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main(int, char**)’: user.cpp:92: warning: comparison between signed and unsigned integer expressions