Compilare: user.cpp: In function ‘int main()’: user.cpp:130:7: warning: unused variable ‘c’ [-Wunused-variable] int c = 0; ^ user.cpp:146:29: warning: ‘maxy’ may be used uninitialized in this function [-Wmaybe-uninitialized] reconstruct(maxx, maxy); ^ user.cpp:146:29: warning: ‘maxx’ may be used uninitialized in this function [-Wmaybe-uninitialized]