Compilare: main.cpp: In function 'int main()': main.cpp:25:12: warning: array subscript has type 'char' [-Wchar-subscripts] fr[s[i]]=1; ^ main.cpp:37:15: warning: array subscript has type 'char' [-Wchar-subscripts] if (p[s[i]]==ma) sol++; ^ main.cpp:42:21: warning: array subscript has type 'char' [-Wchar-subscripts] if (i-p[s[i]]<0) b[i].x=0; ^ main.cpp:43:29: warning: array subscript has type 'char' [-Wchar-subscripts] else b[i].x=i-p[s[i]]; ^ main.cpp:45:21: warning: array subscript has type 'char' [-Wchar-subscripts] if (i+p[s[i]]>=n) b[i].y=n-1; ^ main.cpp:46:29: warning: array subscript has type 'char' [-Wchar-subscripts] else b[i].y=i+p[s[i]]; ^