Compilare: user.cpp: In function ‘void citire()’: user.cpp:23:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[x][y][a[x][y][0]]=i; ^ user.cpp:24:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[y][x][a[y][x][0]]=-i; ^ user.cpp: In function ‘void ciclu(int)’: user.cpp:83:15: warning: unused variable ‘y’ [-Wunused-variable] int x=nod,y; ^ user.cpp: In function ‘void afisare()’: user.cpp:113:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] piesa=a[x][y][a[x][y][0]--]; ^ user.cpp:133:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] piesa=a[x][y][a[x][y][0]--]; ^ user.cpp:145:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] piesa=a[x][y][a[x][y][0]--]; ^