Compilare: user.cpp: In function ‘void euler(int)’: user.cpp:18:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i< t[nod].size();i++) ^ user.cpp: In function ‘void rmq()’: user.cpp:37:13: warning: unused variable ‘val’ [-Wunused-variable] int i,j,val; ^ user.cpp: In function ‘int main()’: user.cpp:74:19: warning: ‘radacina’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(p[j]>maxx){ ^