Compilare: main.cpp: In function 'int main()': main.cpp:26:20: warning: array subscript has type 'char' [-Wchar-subscripts] 26 | f2[s2[i]]++; | ~~~~^ main.cpp:27:23: warning: array subscript has type 'char' [-Wchar-subscripts] 27 | if(f2[s2[i]]==1) | ~~~~^ main.cpp:37:20: warning: array subscript has type 'char' [-Wchar-subscripts] 37 | f1[s1[i]]++; | ~~~~^ main.cpp:38:23: warning: array subscript has type 'char' [-Wchar-subscripts] 38 | if(f1[s1[i]]==f2[s1[i]]) | ~~~~^ main.cpp:38:34: warning: array subscript has type 'char' [-Wchar-subscripts] 38 | if(f1[s1[i]]==f2[s1[i]]) | ~~~~^