Compilare: main.cpp: In function 'int main()': main.cpp:11:19: warning: array subscript has type 'char' [-Wchar-subscripts] 11 | if(i-r[s[0]]<=k&&r[s[0]]) | ~~~^ main.cpp:11:31: warning: array subscript has type 'char' [-Wchar-subscripts] 11 | if(i-r[s[0]]<=k&&r[s[0]]) | ~~~^ main.cpp:12:20: warning: array subscript has type 'char' [-Wchar-subscripts] 12 | l=d[s[0]]+1; | ~~~^ main.cpp:13:17: warning: array subscript has type 'char' [-Wchar-subscripts] 13 | if(d[s[p]]<=l) | ~~~^ main.cpp:14:18: warning: array subscript has type 'char' [-Wchar-subscripts] 14 | d[s[p]]=l,r[s[p]]=i; | ~~~^ main.cpp:14:28: warning: array subscript has type 'char' [-Wchar-subscripts] 14 | d[s[p]]=l,r[s[p]]=i; | ~~~^