Compilare: main.cpp: In function 'void Dijkstra()': main.cpp:34:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < graf[cur_x].size(); i++) { ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:24:28: warning: variable 'cur_c' set but not used [-Wunused-but-set-variable] int newV, cost, cur_x, cur_c; ^~~~~ main.cpp: In function 'int main()': main.cpp:47:12: warning: unused variable 'j' [-Wunused-variable] int i, j; ^