Compilare: user.cpp: In function ‘void NormalDFS(int, int)’: user.cpp:29:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[node].size();i++) ^ user.cpp: In function ‘void HeavyPathDFS(int, bool, int, int)’: user.cpp:45:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[node].size();i++) ^ user.cpp:54:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[node].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:128:15: warning: unused variable ‘enter’ [-Wunused-variable] char type,enter; ^