Compilare: user.cpp: In function ‘void adaugareHash()’: user.cpp:23:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < s1.size(); ++i) ^ user.cpp:22:32: warning: unused variable ‘strln’ [-Wunused-variable] unsigned long long nr1 = 0,strln, putere = 1,e = 0; ^ user.cpp: In function ‘void citire()’: user.cpp:65:18: warning: unused variable ‘a’ [-Wunused-variable] unsigned int a = 0; ^ user.cpp: In function ‘void verificare(unsigned int)’: user.cpp:83:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = x + dim - 1; j >= x; --j) ^