Compilare: user.cpp: In function ‘void dijkstra(int, long long int*, int*)’: user.cpp:32:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < graf[nod].size(); ++ i){ ^ user.cpp:30:13: warning: unused variable ‘cost’ [-Wunused-variable] int cost = h.begin()->first; ^ user.cpp: In function ‘void afis(std::vector<int>)’: user.cpp:55:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < sol.size(); ++ i) ^ user.cpp: In function ‘int main(int, const char**)’: user.cpp:71:9: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] int poz; ^