Problem	factorial_ex
User	T34
Submission Time	2026-01-06 10:11:53
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

factorial_ex.cpp: In function ‘int main()’:
factorial_ex.cpp:17:9: error: ambiguous overload for ‘operator<<’ (operand types are ‘std::ostream’ {aka ‘std::basic_ostream<char>’} and ‘__int128’)
17 | cout<<sum;
| ~~~~^~~~~
| | |
| | __int128
| std::ostream {aka std::basic_ostream<char>}
In file included from /usr/include/c++/9/iostream:39,
from factorial_ex.cpp:1:
/usr/include/c++/9/ostream:166:7: note: candidate: ‘std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]’
166 | operator<<(long __n)
| ^~~~~~~~
/usr/include/c++/9/ostream:170:7: note: candidate: ‘std::basic_ostream<_CharT, _Traits>::__ostream