提交记录 6534 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
CYJian	1000i. 【传统题】 A+B Problem	Compile Error	0	0 ns	0 KB	C++	111 B

提交时间	评测时间
2018-10-23 16:31:41	2020-08-01 00:45:30

代码

#include <iostream>

int main() {
  register int a, b;
  cin >> a >> b;
  cout << a + b << endl;
  return 0;
}

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/3d8e6f27d34d11ea899e00163e04388b/contestant.cpp: In function ‘int main()’:
jp_data/tasks/3d8e6f27d34d11ea899e00163e04388b/contestant.cpp:5:3: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
    5 |   cin >> a >> b;
      |   ^~~
      |   std::cin
In file included from jp_data/tasks/3d8e6f27d34d11ea899e00163e04388b/contestant.cpp:1:
/usr/include/c++/9/iostream:60:18: note: ‘std::cin’ declared here
   60 |   extern istream cin;  /// Linked to standard input
      |                  ^~~
jp_data/tasks/3d8e6f27d34d11ea899e00163e04388b/contestant.cpp:6:3: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
    6 |   cout << a + b << endl;
      |   ^~~~
      |   std::cout
In file included from jp_data/tasks/3d8e6f27d34d11ea899e00163e04388b/contestant.cpp:1:
/usr/include/c++/9/iostream:61:18: note: ‘std::cout’ declared here
   61 |   extern ostream cout;  /// Linked to standard output
      |                  ^~~~
jp_data/tasks/3d8e6f27d34d11ea899e00163e04388b/contestant.cpp:6:20: error: ‘endl’ was not declared in this scope; did you mean ‘std::endl’?
    6 |   cout << a + b << endl;
      |                    ^~~~
      |                    std::endl
In file included from /usr/include/c++/9/iostream:39,
                 from jp_data/tasks/3d8e6f27d34d11ea899e00163e04388b/contestant.cpp:1:
/usr/include/c++/9/ostream:599:5: note: ‘std::endl’ declared here
  599 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~