Problem	exam
User	Dam
Submission Time	2023-01-04 08:54:09
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

exam.cpp: In function ‘int main()’:
exam.cpp:7:11: error: no match for ‘operator<<’ (operand types are ‘std::istream’ {aka ‘std::basic_istream<char>’} and ‘int’)
7 | std::cin << paperNumber;
| ~~~~~~~~ ^~ ~~~~~~~~~~~
| | |
| | int
| std::istream {aka std::basic_istream<char>}
exam.cpp:7:11: note: candidate: ‘operator<<(int, int)’ <built-in>
7 | std::cin << paperNumber;
| ~~~~~~~~~^~~~~~~~~~~~~~
exam.cpp:7:11: 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/bits/basic_string.h:48,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from