/ Vijos /

记录详情

Compile Error

/in/foo.cc: In function 'int main()':
/in/foo.cc:5:2: error: 'cin' was not declared in this scope
  cin>>n;
  ^~~
/in/foo.cc:5:2: note: suggested alternative:
In file included from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:75:0,
                 from /in/foo.cc:1:
/usr/include/c++/6/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^~~
/in/foo.cc:6:4: error: 'cout' was not declared in this scope
    cout<<(n*n+2*n);
    ^~~~
/in/foo.cc:6:4: note: suggested alternative:
In file included from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:75:0,
                 from /in/foo.cc:1:
/usr/include/c++/6/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^~~~

信息

递交者
类型
递交
题目
P1182 星际青蛙(弱弱版)
语言
C++
递交时间
2018-08-15 19:17:19
评测时间
2018-08-15 19:17:19
评测机
分数
0
总耗时
0ms
峰值内存
0 Bytes