Compilare: user.cpp: In function ‘void citire()’: user.cpp:28:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < text.size(); ++i) ^ user.cpp:37:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < text.size()) ^ user.cpp: In function ‘void rez2()’: user.cpp:94:33: warning: ‘u2’ may be used uninitialized in this function [-Wmaybe-uninitialized] length[u2] += length[u1]; ^ user.cpp:94:32: warning: ‘u1’ may be used uninitialized in this function [-Wmaybe-uninitialized] length[u2] += length[u1]; ^