Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:29:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[nod].size();i++) ^ user.cpp:21:12: warning: unused variable ‘j’ [-Wunused-variable] int i,j,nodc,timpc,watt; ^ user.cpp: In function ‘void rezolva(int)’: user.cpp:62:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[nod].size();i++) ^ user.cpp:49:9: warning: variable ‘inqueue’ set but not used [-Wunused-but-set-variable] int inqueue[54]={0},cost[54]={0},energie[54]={0}; ^ user.cpp:50:13: warning: unused variable ‘j’ [-Wunused-variable] int nod,j,i,timpc,nodc,watt; ^ user.cpp: In function ‘int main()’: user.cpp:101:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,w; ^