Compilare: main.cpp: In function 'void Bfs(int, int)': main.cpp:35:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<graph[node].size(); ++i) ~^~~~~~~~~~~~~~~~~~~ main.cpp:46:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<graph[x].size(); ++i) ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void MakeGraph()': main.cpp:69:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=u+1; i<=u+graph[x].size(); ++i) ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool BellmanFord()': main.cpp:87:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<newgraph[node].size();++i) ~^~~~~~~~~~~~~~~~~~~~~~