Compilare: user.cpp: In function ‘void add(int)’: user.cpp:23:19: warning: array subscript is above array bounds [-Warray-bounds] v[3][y]+=b; ^ user.cpp:23:19: warning: array subscript is above array bounds [-Warray-bounds] user.cpp:30:12: warning: array subscript is above array bounds [-Warray-bounds] v[3][nr]=b; ^ user.cpp: In function ‘int main()’: user.cpp:48:32: warning: array subscript is above array bounds [-Warray-bounds] fout<<v[1][i]<<" "<<v[3][i]<<" "; ^