Compilare: main.cpp: In function 'int F()': main.cpp:3:117: warning: array subscript has type 'char' [-Wchar-subscripts] 3 | int F(){int r;if(*p==40)p++,r=E(),p++;else if(p[1]==79)p+=4,r=!F();else if(p[1]>64)for(r=*p==84;*p>64;)p++;else r=v[*p++];p+=*p==32;return r;} | ^~~~ main.cpp: In function 'int main()': main.cpp:6:123: warning: array subscript has type 'char' [-Wchar-subscripts] 6 | int main(){freopen("bool.in","r",stdin);freopen("bool.out","w",stdout);scanf("%[^\n]%d",s,&n);for(;n--;)scanf(" %c",&c),v[c]^=1,p=s,putchar(E()+48);} | ^