提交记录 16454 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
qidirj	1000i. 【传统题】 A+B Problem	Compile Error	0	0 ns	0 KB	C++	95 B

提交时间	评测时间
2021-08-22 10:09:38	2021-08-22 10:15:38

代码

#include<iostream>
int main(){
int t;
cin>>t;
int a,b;
while(t--)
cin>>a>>b,cout<<a+b<<endl;
}

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/015f3afe02ee11ec8d96fdb470a28eb4/contestant.cpp: In function ‘int main()’:
jp_data/tasks/015f3afe02ee11ec8d96fdb470a28eb4/contestant.cpp:4:1: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
    4 | cin>>t;
      | ^~~
      | std::cin
In file included from jp_data/tasks/015f3afe02ee11ec8d96fdb470a28eb4/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/015f3afe02ee11ec8d96fdb470a28eb4/contestant.cpp:7:11: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
    7 | cin>>a>>b,cout<<a+b<<endl;
      |           ^~~~
      |           std::cout
In file included from jp_data/tasks/015f3afe02ee11ec8d96fdb470a28eb4/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/015f3afe02ee11ec8d96fdb470a28eb4/contestant.cpp:7:22: error: ‘endl’ was not declared in this scope; did you mean ‘std::endl’?
    7 | cin>>a>>b,cout<<a+b<<endl;
      |                      ^~~~
      |                      std::endl
In file included from /usr/include/c++/9/iostream:39,
                 from jp_data/tasks/015f3afe02ee11ec8d96fdb470a28eb4/contestant.cpp:1:
/usr/include/c++/9/ostream:599:5: note: ‘std::endl’ declared here
  599 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~