Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:55:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<gf[nod].size(); ++i){ ^ user.cpp: In function ‘int bagaEuler(int)’: user.cpp:81:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void rezolva()’: user.cpp:107:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<Comp[i].size(); ++j){ ^ user.cpp:114:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i2=1; i2<v.size(); ++i2){ ^ user.cpp:118:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<v2.size(); ++j) g << v2[j] << " "; ^