Problem	ippt
User	hongshiii
Submission Time	2026-07-17 15:49:26
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

ippt.cpp:1:1: error: ‘Example’ does not name a type
1 | Example program
| ^~~~~~~
In file included from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from ippt.cpp:2:
/usr/include/c++/9/bits/postypes.h:98:11: error: ‘ptrdiff_t’ does not name a type
98 | typedef ptrdiff_t streamsize; // Signed integral type
| ^~~~~~~~~
/usr/include/c++/9/bits/postypes.h:41:1: note: ‘ptrdiff_t’ is defined in header ‘<cstddef>’; did you forget to ‘#include <cstddef>’?
40 | #include <cwchar> // For mbstate_t
+++ |+#include <cstddef>
41 |
In file included from /usr/include/c++/9/bits/exception_ptr.h:40,
from /usr/include/c++/9/exception:143,
from /usr/include/c++/9/ios:39,
from /usr/incl