Compilare: user.cpp: In function ‘void copiaza_vectorii_aia()’: user.cpp:21:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v.size();i++) ^ user.cpp: In function ‘void seteaza_prima_linie(int, int&)’: user.cpp:40:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (nr&(1<<i)) ^ user.cpp: In function ‘int main()’: user.cpp:109:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (v.size()<S) ^ user.cpp:117:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<sol.size();i++) ^