Compilare: main.cpp: In function 'void addString(std::__cxx11::string&)': main.cpp:22:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<s.size(); i++){ ~^~~~~~~~~ main.cpp: In function 'void solve()': main.cpp:111:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<trie.size(); j++) ~^~~~~~~~~~~~ main.cpp:112:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dp[j].size() > i) ~~~~~~~~~~~~~^~~