Compilare: user.cpp: In function ‘int main()’: user.cpp:68:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < graph[cnod].size(); ++i ) ^ user.cpp:118:60: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < graph[ccucc.node].size(); ++i ) ^ user.cpp:102:13: warning: unused variable ‘deb’ [-Wunused-variable] int deb = 0; ^