Compilare: user.cpp: In function ‘int main()’: user.cpp:30:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[s[i]]++; ^ user.cpp:51:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[i].st=i-p[s[i]]; ^ user.cpp:52:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[i].dr=i+p[s[i]]; ^ user.cpp:42:34: warning: array subscript is above array bounds [-Warray-bounds] p[i]=v[kon]; ^ /tmp/ccRPhmQ8.o: In function `main': user.cpp:(.text.startup+0x68): warning: the `gets' function is dangerous and should not be used.