Eroare de compilare: user.cpp: In function ‘void dfs(int, int)’: user.cpp:32:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[x].size();i++) ^ user.cpp: In function ‘void citire(int&, int&)’: user.cpp:46:11: error: declaration of ‘int y’ shadows a parameter int j,y,c,semn; ^ user.cpp:46:13: error: declaration of ‘int c’ shadows a parameter int j,y,c,semn; ^ user.cpp: In function ‘int main()’: user.cpp:76:16: error: too few arguments to function ‘void citire(int&, int&)’ citire(); ^ user.cpp:44:6: note: declared here void citire(int &y, int &c) ^