Compilare: user.cpp: In function ‘void defeseu(int)’: user.cpp:13:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[x].size();i++) ^ user.cpp: In function ‘void dfs(int, int)’: user.cpp:29:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[x].size();i++) ^ user.cpp: In function ‘void decomp(int, int)’: user.cpp:45:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[R].size();i++) ^ user.cpp:48:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[nod].size();j++) ^ user.cpp:57:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[R].size();i++) ^ user.cpp:74:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<L[R].size();i++) ^