Compilare: user.cpp: In function ‘int lee(int, int, int, int)’: user.cpp:61:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int q=0;q<exploit[el.lin+dX[i]][el.col+dY[i]].size() && ok;q++) { ^ user.cpp:48:17: warning: unused variable ‘index’ [-Wunused-variable] int index=modul(element); ^ user.cpp: In function ‘void citire()’: user.cpp:102:29: warning: unused variable ‘index’ [-Wunused-variable] int index=modul(A[k][j]); ^