View Compilation Error

0_0_25003614_17741\Main.java:1: 错误: 非法字符: '#'
#include <iostream>  
^
0_0_25003614_17741\Main.java:1: 错误: 需要class, interface或enum
#include <iostream>  
         ^
0_0_25003614_17741\Main.java:3: 错误: 需要class, interface或enum
int f(int a,int n);  
^
0_0_25003614_17741\Main.java:4: 错误: 需要class, interface或enum
int main()  
^
0_0_25003614_17741\Main.java:6: 错误: 需要class, interface或enum
    for(int i=1000;i<10000;i++)  
                   ^
0_0_25003614_17741\Main.java:6: 错误: 需要class, interface或enum
    for(int i=1000;i<10000;i++)  
                           ^
0_0_25003614_17741\Main.java:9: 错误: 需要class, interface或enum
        return 0;  
        ^
0_0_25003614_17741\Main.java:10: 错误: 需要class, interface或enum
}  
^
0_0_25003614_17741\Main.java:14: 错误: 需要class, interface或enum
    while(a>0)  
    ^
0_0_25003614_17741\Main.java:17: 错误: 需要class, interface或enum
        a=a/n;  
        ^
0_0_25003614_17741\Main.java:18: 错误: 需要class, interface或enum
    }  
    ^
0_0_25003614_17741\Main.java:20: 错误: 需要class, interface或enum
}                                                   
^
12 个错误