Compilare: main.cpp: In instantiation of 'void SuffixAutomaton<NodeType>::compute() [with NodeType = char]': main.cpp:95:13: required from here main.cpp:72:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<SuffixAutomaton<char>::state, std::allocator<SuffixAutomaton<char>::state> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for(int i=1;i<st.size();++i){ | ~^~~~~~~~~~