Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:16:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<A[node].size();i++){ ~^~~~~~~~~~~~~~~ main.cpp: In function 'void dfsdp(int, int)': main.cpp:34:24: warning: left operand of comma operator has no effect [-Wunused-value] dp1[node]=(dp1[P[node]],G[P[node]]); ~~~~~~~~~~~^ main.cpp:46:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<A[node].size();i++){ ~^~~~~~~~~~~~~~~