Compilare: user.cpp: In function ‘void rezolvare()’: user.cpp:26:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<V[nodus].size();++i) ^ user.cpp:27:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a[dragon] >= V[nodus][i].second) ^ user.cpp: In function ‘void DFS(int)’: user.cpp:55:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<V[x].size();++i) ^