Compilare: main.cpp:11:41: warning: integer overflow in expression [-Woverflow] const int POSITIVE_INFINITY = (1 << 31) - 1; ~~~~~~~~~~^~~ main.cpp:12:31: warning: integer overflow in expression [-Woverflow] const int NEGATIVE_INFINITY = -(1 << 31); ^~~~~~~~~~ main.cpp: In function 'bool BellmanFord(int)': main.cpp:43:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < V[i].size(); j++) ~~^~~~~~~~~~~~~ main.cpp:57:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < V[i].size(); j++) ~~^~~~~~~~~~~~~