Problem	3nplus1
User	QPWOEI320
Submission Time	2024-06-24 14:30:30
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

3nplus1.cpp: In function ‘int main()’:
3nplus1.cpp:6:6: error: no match for ‘operator<<’ (operand types are ‘std::istream’ {aka ‘std::basic_istream<char>’} and ‘long long int’)
6 | cin <<a:
| ~~~ ^~~
| | |
| | long long int
| std::istream {aka std::basic_istream<char>}
3nplus1.cpp:6:6: note: candidate: ‘operator<<(int, long long int)’ <built-in>
6 | cin <<a:
| ~~~~^~~
3nplus1.cpp:6:6: note: no known conversion for argument 1 from ‘std::istream’ {aka ‘std::basic_istream<char>’} to ‘int’
In file included from /usr/include/c++/9/regex:62,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
from 3nplus1.cpp:1:
/usr/include/c++/9/bits/regex.h:1553:5: note: candidate: ‘template<class _Ch_type, class _Ch_traits, class _Bi_iter> std::basic_ostream<_CharT, _Traits>& std::__cxx11::operator<<(st