Eroare de compilare: user.cpp: In function ‘void df(int)’: user.cpp:20:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<v[nod].size();i++) ^ user.cpp: In function ‘int p2(int)’: user.cpp:48:13: error: ‘P’ was not declared in this scope if (P&1) ^ user.cpp:49:13: error: ‘ret’ was not declared in this scope ret = ((ull)*ret*N)%mod; ^ user.cpp:50:20: error: invalid type argument of unary ‘*’ (have ‘int’) N = ((ull)*N*N)%mod; ^ user.cpp: In function ‘int main()’: user.cpp:67:30: error: expected ‘;’ before ‘)’ token out<<p2(sol[i])-2+mod)%mod<<"\n"; ^