Compilare: user.cpp: In function ‘void functie(int, int, int)’: user.cpp:46:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(relatii[node].size() <= p + 1) ^ user.cpp: In function ‘void init()’: user.cpp:103:66: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0, x = id; x != 0 && j < relatii[x].size(); x = relatii[x][j] , ++j) ^ user.cpp: In function ‘int main()’: user.cpp:172:60: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(relatii[node].size() <= p + 1) ^