View Compilation Error

0_0_28213115_27686\Main.java:1: 错误: 非法字符: '#'
#include<iostream>
^
0_0_28213115_27686\Main.java:1: 错误: 需要class, interface或enum
#include<iostream>
        ^
0_0_28213115_27686\Main.java:3: 错误: 需要class, interface或enum
int main()
^
0_0_28213115_27686\Main.java:6: 错误: 需要class, interface或enum
  while(cin>>n)    
  ^
0_0_28213115_27686\Main.java:11: 错误: 需要class, interface或enum
      sum=0;            
      ^
0_0_28213115_27686\Main.java:12: 错误: 需要class, interface或enum
     while(m--)            
     ^
0_0_28213115_27686\Main.java:15: 错误: 需要class, interface或enum
        sum=sum+a;            
        ^
0_0_28213115_27686\Main.java:16: 错误: 需要class, interface或enum
      }           
      ^
0_0_28213115_27686\Main.java:18: 错误: 需要class, interface或enum
    }       
    ^
0_0_28213115_27686\Main.java:21: 错误: 需要class, interface或enum
}            
^
10 个错误