Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:29:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[node].size();++i) ^ user.cpp: In function ‘void atribution(int)’: user.cpp:38:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[node].size();++i) ^ user.cpp: In function ‘void calculate(int)’: user.cpp:47:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].size();++i) ^ user.cpp: In function ‘void maimute(int)’: user.cpp:56:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].size();++i) ^