Compilare: user.cpp: In function ‘int jos(int)’: user.cpp:17:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<graf[nod].size(); i++) ^ user.cpp: In function ‘void jos1(int, int, int)’: user.cpp:32:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<graf[tata].size(); i++) ^ user.cpp:38:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<graf[nod].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:43:19: warning: unused variable ‘aux’ [-Wunused-variable] int i,j,x,y,c,aux,min_max; drum aux1; ^