memory.cpp: In function 'void play()':
memory.cpp:13:15: warning: array subscript has type 'char' [-Wchar-subscripts]
13 | if(ap[x] > 3)
| ^
memory.cpp:14:16: warning: array subscript has type 'char' [-Wchar-subscripts]
14 | ap[x] = 0;
| ^
memory.cpp:15:12: warning: array subscript has type 'char' [-Wchar-subscripts]
15 | ap[x]++;
| ^
memory.cpp:16:15: warning: array subscript has type 'char' [-Wchar-subscripts]
16 | if(ap[x] == 1)
| ^
memory.cpp:17:18: warning: array subscript has type 'char' [-Wchar-subscripts]
17 | path[x] = i;
| ^
memory.cpp:20:29: warning: array subscript has type 'char' [-Wchar-subscripts]
20 | faceup(path[x]);
| ^
memory.cpp:22:29: warning: array subscript has type 'char' [-Wchar-subscripts]
22 | faceup(path[x]);
| ^
memory.cpp:26:15: warning: array subscript has type 'char' [-Wchar-subscripts]
26 | if(ap[x] == 2)
| ^
memory.cpp:27:15: warning: 'nr' may be used uninitialized in this function [-Wmaybe-uninitialized]
27 | nr++;
| ~~^~