Compilare: user.cpp: In function ‘int main()’: user.cpp:36:9: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] f>>s+1; ^ user.cpp:39:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] A[s[i]][0]++; ^ user.cpp:40:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] A[s[i]][A[s[i]][0]]=i; ^ user.cpp:40:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] A[s[i]][A[s[i]][0]]=i; ^ user.cpp:42:10: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] f>>s1+1; ^ user.cpp:45:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] viz[s1[i]]++; ^ user.cpp:46:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[A[s1[i]][viz[s1[i]]]]=i;} ^ user.cpp:46:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[A[s1[i]][viz[s1[i]]]]=i;} ^