Compilare: user.cpp: In function ‘void curata(std::string)’: user.cpp:25:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i<s.size(); ++i){ ^ user.cpp: In function ‘int dfs(int)’: user.cpp:77:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = nod + 1; i < cuv.size(); ++i) ^ user.cpp: In function ‘int main()’: user.cpp:95:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i<cuv.size(); ++i) ^ user.cpp:96:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = i+1; j<cuv.size(); ++j) ^