Compilare: user.cpp:21:33: warning: narrowing conversion of ‘-1’ from ‘int’ to ‘short unsigned int’ inside { } [-Wnarrowing] unsigned short dlin[4]={0,1,0,-1}; ^ user.cpp:22:33: warning: narrowing conversion of ‘-1’ from ‘int’ to ‘short unsigned int’ inside { } [-Wnarrowing] unsigned short dcol[4]={1,0,-1,0}; ^ user.cpp: In function ‘int main()’: user.cpp:47:59: warning: ‘LG’ may be used uninitialized in this function [-Wmaybe-uninitialized] unsigned short i,n,niv,x1,x2,y2,y1,j,k,xs,ys,lg1,lg2,X,Y,LG,x,y,lg; ^ user.cpp:47:57: warning: ‘Y’ may be used uninitialized in this function [-Wmaybe-uninitialized] unsigned short i,n,niv,x1,x2,y2,y1,j,k,xs,ys,lg1,lg2,X,Y,LG,x,y,lg; ^ user.cpp:47:55: warning: ‘X’ may be used uninitialized in this function [-Wmaybe-uninitialized] unsigned short i,n,niv,x1,x2,y2,y1,j,k,xs,ys,lg1,lg2,X,Y,LG,x,y,lg; ^