Compilare: main.cpp: In function 'void showh()': main.cpp:34:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < h.size(); i++) ~~^~~~~~~~~~ main.cpp: In function 'void dijkstra(int)': main.cpp:53:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (iv = 0; iv < v[nmin].size(); iv++) { // doar vecinii lui nmin ~~~^~~~~~~~~~~~~~~~ main.cpp:41:7: warning: unused variable 'nod' [-Wunused-variable] NOD nod; ^~~