Compilare: main.cpp: In function 'void DFS(int)': main.cpp:33:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<g[x].size();i++) ~^~~~~~~~~~~~ main.cpp: In function 'void Solve()': main.cpp:56:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<l[x].size();j++) ~^~~~~~~~~~~~ main.cpp: In function 'void Dijkstra()': main.cpp:83:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<g[x].size();i++) ~^~~~~~~~~~~~