Compilare: main.c: In function 'main': main.c:25:19: warning: array subscript has type 'char' [-Wchar-subscripts] 25 | card2dir[v[card - 1]] = card; | ~^~~~~~~~~~ main.c:31:30: warning: array subscript has type 'char' [-Wchar-subscripts] 31 | l += vdl[card2dir[ch]]; | ^ main.c:31:30: warning: array subscript has type 'char' [-Wchar-subscripts] 31 | l += vdl[card2dir[ch]]; | ~~~~~~~~^~~~ main.c:32:30: warning: array subscript has type 'char' [-Wchar-subscripts] 32 | c += vdc[card2dir[ch]]; | ^ main.c:32:30: warning: array subscript has type 'char' [-Wchar-subscripts] 32 | c += vdc[card2dir[ch]]; | ~~~~~~~~^~~~ main.c:36:30: warning: array subscript has type 'char' [-Wchar-subscripts] 36 | l += vdl[card2dir[ch]]; | ^ main.c:36:30: warning: array subscript has type 'char' [-Wchar-subscripts] 36 | l += vdl[card2dir[ch]]; | ~~~~~~~~^~~~ main.c:37:30: warning: array subscript has type 'char' [-Wchar-subscripts] 37 | c += vdc[card2dir[ch]]; | ^ main.c:37:30: warning: array subscript has type 'char' [-Wchar-subscripts] 37 | c += vdc[card2dir[ch]]; | ~~~~~~~~^~~~ main.c:39:30: warning: array subscript has type 'char' [-Wchar-subscripts] 39 | l += vdl[card2dir[ch]]; | ^ main.c:39:30: warning: array subscript has type 'char' [-Wchar-subscripts] 39 | l += vdl[card2dir[ch]]; | ~~~~~~~~^~~~ main.c:40:30: warning: array subscript has type 'char' [-Wchar-subscripts] 40 | c += vdc[card2dir[ch]]; | ^ main.c:40:30: warning: array subscript has type 'char' [-Wchar-subscripts] 40 | c += vdc[card2dir[ch]]; | ~~~~~~~~^~~~ main.c:59:5: warning: pointer 'fin' used after 'fclose' [-Wuse-after-free] 59 | fclose( fin ); | ^~~~~~~~~~~~~ main.c:54:5: note: call to 'fclose' here 54 | fclose( fin ); | ^~~~~~~~~~~~~