Compilare: user.cpp: In function ‘int main()’: user.cpp:80:27: warning: ‘y2’ may be used uninitialized in this function [-Wmaybe-uninitialized] drumR(x1,y1,x2,y2,n,m); ^ user.cpp:80:27: warning: ‘y1’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:80:27: warning: ‘x2’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:80:27: warning: ‘x1’ may be used uninitialized in this function [-Wmaybe-uninitialized]