Compilare: user.cpp: In function ‘int main()’: user.cpp:60:20: warning: variable ‘xxx’ set but not used [-Wunused-but-set-variable] int xx2,yy2,s=0,xxx,yyy; ^ user.cpp:60:24: warning: variable ‘yyy’ set but not used [-Wunused-but-set-variable] int xx2,yy2,s=0,xxx,yyy; ^ user.cpp:71:26: warning: ‘xx2’ may be used uninitialized in this function [-Wmaybe-uninitialized] s+=matLee1[xx2][yy2]; ^ user.cpp:71:26: warning: ‘yy2’ may be used uninitialized in this function [-Wmaybe-uninitialized]