Compilare: main.cpp: In function 'void bkt(char)': main.cpp:21:14: warning: array subscript has type 'char' [-Wchar-subscripts] 21 | if(apare[k]) | ^ main.cpp:23:22: warning: array subscript has type 'char' [-Wchar-subscripts] 23 | for(int i=pc[k]; i<=9; ++i) | ^ main.cpp:27:19: warning: array subscript has type 'char' [-Wchar-subscripts] 27 | x[k]=i,f[i]=1 ; | ^ main.cpp: In function 'int main()': main.cpp:43:31: warning: array subscript has type 'char' [-Wchar-subscripts] 43 | if(s.size()>1) pc[s[0]]=1 ; | ^ main.cpp:45:52: warning: array subscript has type 'char' [-Wchar-subscripts] 45 | for(int j=s.size()-1; j>=0; --j) apare[s[j]]=1,v[s[j]]+=d,d*=10 ; | ^ main.cpp:45:62: warning: array subscript has type 'char' [-Wchar-subscripts] 45 | for(int j=s.size()-1; j>=0; --j) apare[s[j]]=1,v[s[j]]+=d,d*=10 ; | ^ main.cpp:50:31: warning: array subscript has type 'char' [-Wchar-subscripts] 50 | if(s.size()>1) pc[s[0]]=1 ; | ^ main.cpp:52:52: warning: array subscript has type 'char' [-Wchar-subscripts] 52 | for(int j=s.size()-1; j>=0; --j) apare[s[j]]=1,v[s[j]]-=d,d*=10 ; | ^ main.cpp:52:62: warning: array subscript has type 'char' [-Wchar-subscripts] 52 | for(int j=s.size()-1; j>=0; --j) apare[s[j]]=1,v[s[j]]-=d,d*=10 ; | ^