Compilare: main.cpp:9:26: warning: integer overflow in expression [-Woverflow] const int oo = (1 << 31) - 1; ~~~~~~~~~~^~~ main.cpp: In function 'void dij(int)': main.cpp:43:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < L[poz].size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp:46:17: warning: unused variable 'ming' [-Wunused-variable] int ming = 0 ; ^~~~ main.cpp:42:13: warning: variable 'p' set but not used [-Wunused-but-set-variable] int p; ^