Compilare: main.c: In function 'Factor': main.c:89:15: warning: array subscript has type 'char' [-Wchar-subscripts] 89 | num=v2[v[Index]]; | ~^~~~~~~ main.c: In function 'main': main.c:148:7: warning: array subscript has type 'char' [-Wchar-subscripts] 148 | v2[a]=1-v2[a]; | ^ main.c:148:15: warning: array subscript has type 'char' [-Wchar-subscripts] 148 | v2[a]=1-v2[a]; | ^ main.c:138:7: warning: variable 'n' set but not used [-Wunused-but-set-variable] 138 | int n,m,i; | ^