Compilare: main.cpp: In function 'void arbore(int, int)': main.cpp:33:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<vecini[nod].size(); i++) ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void prec(int, int)': main.cpp:75:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<vecini[nod].size(); i++) ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void sus(int, int)': main.cpp:117:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<vecini[nod].size(); i++) ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:178:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int z=0; z<ordine_nou[j].size(); z++) ~^~~~~~~~~~~~~~~~~~~~~ main.cpp:186:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int z=0; z<ordine[j+1].size(); z++) ~^~~~~~~~~~~~~~~~~~~ main.cpp:191:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int z=0; z<ordine_nou[j].size(); z++) ~^~~~~~~~~~~~~~~~~~~~~ main.cpp:198:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int z=0; z<ordine[j+1].size(); z++) ~^~~~~~~~~~~~~~~~~~~