Compilare: user.cpp: In function ‘void dijkstra(int)’: user.cpp:48:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0; i < A[x].size(); i++ ) { ^ user.cpp: In function ‘int main()’: user.cpp:109:41: warning: ‘sol_k’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d %d\n", sol_d, max(1,max(K-savedNodes[sol_k].maxenergyleft, K-savedNodes[sol_k].energy))); ^