Compilare: main.cpp: In function 'int main()': main.cpp:65:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < E.size(); i++) ~~^~~~~~~~~~ main.cpp: In function 'void Solve()': main.cpp:43:20: warning: 'nod_con' may be used uninitialized in this function [-Wmaybe-uninitialized] extra[nod_con]++; ~~~~~~~~~~~~~^ main.cpp:44:23: warning: 'nod_noncon' may be used uninitialized in this function [-Wmaybe-uninitialized] extra[nod_noncon]++; ~~~~~~~~~~~~~~~~^ main.cpp:46:10: warning: 'nonconexa' may be used uninitialized in this function [-Wmaybe-uninitialized] if (Use[i] == nonconexa) ^~