Compilare: user.cpp: In function ‘int find(int)’: user.cpp:25:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < H[code].size(); ++i) ^ user.cpp: In function ‘int main()’: user.cpp:64:6: warning: unused variable ‘currL’ [-Wunused-variable] int currL = 1; ^ user.cpp:65:6: warning: unused variable ‘currR’ [-Wunused-variable] int currR = 1; ^ user.cpp:66:6: warning: unused variable ‘mx’ [-Wunused-variable] int mx = 0; ^