Compilare: user.cpp: In function ‘int jos(int)’: user.cpp:14:32: 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:25:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<graf[tata].size(); i++) ^ user.cpp:31:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<graf[nod].size(); i++) jos1(graf[nod][i].d,nod,graf[nod][i].c); ^