Compile Error

foo.cc:1:1: error: 'include' does not name a type; did you mean '__has_include'?
 include <iostream> 
 ^~~~~~~
 __has_include
foo.cc: In function 'int main()':
foo.cc:6:2: error: 'cin' was not declared in this scope
  cin>>n;
  ^~~
foo.cc:6:2: note: suggested alternative: 'main'
  cin>>n;
  ^~~
  main
foo.cc:11:2: error: 'cout' was not declared in this scope
  cout<<sum;
  ^~~~
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信息

递交者
类型
递交
题目
P1038 求N!
语言
C++
递交时间
2021-11-27 10:03:17
评测时间
2021-11-27 10:03:17
评测机
分数
0
总耗时
0ms
峰值内存
0 Bytes