View Compilation Error

0_0_18473786_7178\Main.java:1: 错误: 非法字符: '#'
#include<iostream>
^
0_0_18473786_7178\Main.java:1: 错误: 需要class, interface或enum
#include<iostream>
        ^
0_0_18473786_7178\Main.java:3: 错误: 需要class, interface或enum
main()
^
0_0_18473786_7178\Main.java:5: 错误: 需要class, interface或enum
    while(cin>>n>>u>>d&&n!=0){
    ^
0_0_18473786_7178\Main.java:6: 错误: 需要class, interface或enum
    for(int i=0;i*(u-d)<n-u;i++);
                ^
0_0_18473786_7178\Main.java:6: 错误: 需要class, interface或enum
    for(int i=0;i*(u-d)<n-u;i++);
                            ^
0_0_18473786_7178\Main.java:7: 错误: 需要class, interface或enum
    cout<<i*2+1<<endl;  
    ^
0_0_18473786_7178\Main.java:8: 错误: 需要class, interface或enum
    }
    ^
8 个错误