Compilare: main.cpp: In function 'int main()': main.cpp:55:35: warning: variable 'px2' set but not used [-Wunused-but-set-variable] int n,i,j,v[255][255],px1,py1,px2,py2,paz=0; ^~~ main.cpp:55:39: warning: variable 'py2' set but not used [-Wunused-but-set-variable] int n,i,j,v[255][255],px1,py1,px2,py2,paz=0; ^~~ main.cpp:76:22: warning: 'py1' may be used uninitialized in this function [-Wmaybe-uninitialized] Lee1(v,n,px1,py1); ^ main.cpp:76:22: warning: 'px1' may be used uninitialized in this function [-Wmaybe-uninitialized]