Compilare: user.cpp: In function ‘void arbPM()’: user.cpp:29:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < graf[1].size(); ++i){ ^ user.cpp:49:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < graf[nodD].size(); ++i){ ^ user.cpp:50:21: warning: unused variable ‘sec’ [-Wunused-variable] int sec = graf[nodD][i].second; ^ user.cpp: In function ‘void parcurgereEuleriana(int)’: user.cpp:62:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < apm[nod].size(); ++i){ ^