Compilare: user.cpp: In function ‘int continuare(int)’: user.cpp:13:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (unsigned i=1;i<k;i++) ^ user.cpp: In function ‘void bkt(unsigned int)’: user.cpp:27:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (k==lungime) ^ user.cpp:31:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (unsigned i=1;i<=k-1;i++) ^ user.cpp:26:16: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (continuare(k)) ^