Compilare: main.cpp: In function 'void bfs(int)': main.cpp:58:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<g[node].size(); ++i) ~^~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:79:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<g[node].size(); ++i) ~^~~~~~~~~~~~~~~ main.cpp: In function 'int getDP(int)': main.cpp:129:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<g[node].size(); ++i) ~^~~~~~~~~~~~~~~