Problem gcd
User Zhuoxun
Submission Time 2024-08-03 10:48:39
Score 0
Max Time N/A
Max Memory N/A

Compile Error

gcd.cpp: In function ‘int main()’:
gcd.cpp:20:9: error: no match for ‘operator<<’ (operand types are ‘std::istream’ {aka ‘std::basic_istream<char>’} and ‘int’)
20 | cin << a << b;
| ~~~ ^~ ~
| | |
| | int
| std::istream {aka std::basic_istream<char>}
gcd.cpp:20:9: note: candidate: ‘operator<<(int, int)’ <built-in>
20 | cin << a << b;
| ~~~~^~~~
gcd.cpp:20:9: 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 /usr/include/c++/9/ostream:38,