Compilare: main.cpp:13:26: warning: integer overflow in expression [-Woverflow] const int oo = (1 << 31) - 1; ~~~~~~~~~~^~~ main.cpp: In function 'void bellmanford()': main.cpp:27:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i = 1;i <= n; i++) ^~~ main.cpp:30:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' d[1] = 0; ^ main.cpp:39:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < v[nod].size(); i++) ~~^~~~~~~~~~~~~~~