Compilare: user.cpp: In function ‘void Comp(int)’: user.cpp:50:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(sum + nr[*it] >= k && sol.size() < dmax) Comp(*it); ^ user.cpp: In function ‘int main()’: user.cpp:69:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<sursa.size(); i++) ^ user.cpp:74:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(d[i] == dmax) ^ user.cpp:79:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<sol.size(); i++) ^ user.cpp:78:12: warning: ‘s’ may be used uninitialized in this function [-Wmaybe-uninitialized] Comp(s); ^