Compilare: user.cpp: In function ‘int main()’: user.cpp:13:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] p1[b[i]]++,p2[(int)b[i]]++; ^ user.cpp:14:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(p1[a[k1]])p1[a[k1]]--,k1++; ^ user.cpp:14:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(p1[a[k1]])p1[a[k1]]--,k1++; ^ user.cpp:19:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(p1[c]) ^ user.cpp:21:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] p1[c]--; ^ user.cpp:29:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] p1[a[k1]]++; ^ user.cpp:39:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(p1[c]) ^ user.cpp:42:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] p1[c]--; ^ user.cpp:47:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(p2[a[k2]])p2[a[k2]]--,k2++; ^ user.cpp:47:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(p2[a[k2]])p2[a[k2]]--,k2++; ^ user.cpp:52:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(p2[c]) ^ user.cpp:54:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] p2[c]--; ^ user.cpp:62:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] p2[a[k1]]++; ^ user.cpp:72:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(p2[c]) ^ user.cpp:75:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] p2[c]--; ^ user.cpp:11:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d\n%s\n%s\n",&n,a,b); ^