Compilare: user.cpp: In function ‘int explore(int, int, int, int)’: user.cpp:34:47: warning: array subscript has type ‘char’ [-Wchar-subscripts] int result = explore(x - xplus[dp[x][y][z]] ,y - yplus[dp[x][y][z]] , z - zplus[dp[x][y][z]] , p) + 1; ^ user.cpp:34:71: warning: array subscript has type ‘char’ [-Wchar-subscripts] int result = explore(x - xplus[dp[x][y][z]] ,y - yplus[dp[x][y][z]] , z - zplus[dp[x][y][z]] , p) + 1; ^ user.cpp:34:96: warning: array subscript has type ‘char’ [-Wchar-subscripts] int result = explore(x - xplus[dp[x][y][z]] ,y - yplus[dp[x][y][z]] , z - zplus[dp[x][y][z]] , p) + 1; ^