Compilare: main.cpp: In function 'void dijk()': main.cpp:26:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0 ; i<sizeof(dist) ; i++) ~^~~~~~~~ main.cpp:27:17: warning: iteration 50010 invokes undefined behavior [-Waggressive-loop-optimizations] dist[i] = 2000000000; ~~~~~~~~^~~~~~~~~~~~ main.cpp:26:20: note: within this loop for(int i=0 ; i<sizeof(dist) ; i++) ~^~~~~~~~