Problem	addition
User	lixinpei123
Submission Time	2024-01-29 15:58:43
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

addition.cpp: In function ‘int main()’:
addition.cpp:5:13: error: no match for ‘operator<<’ (operand types are ‘std::istream’ {aka ‘std::basic_istream<char>’} and ‘int’)
5 | int a; cin << a;
| ~~~ ^~ ~
| | |
| | int
| std::istream {aka std::basic_istream<char>}
addition.cpp:5:13: note: candidate: ‘operator<<(int, int)’ <built-in>
5 | int a; cin << a;
| ~~~~^~~~
addition.cpp:5:13: 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 addition.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>&