View Compilation Error

0_0_29129696_16417\Main.java:1: 错误: 非法字符: '#'
#include "iostream"
^
0_0_29129696_16417\Main.java:1: 错误: 需要class, interface或enum
#include "iostream"
         ^
0_0_29129696_16417\Main.java:2: 错误: 非法字符: '#'
#include "string.h"
^
0_0_29129696_16417\Main.java:4: 错误: 需要class, interface或enum
int main(){
^
0_0_29129696_16417\Main.java:6: 错误: 需要class, interface或enum
    while(cin>>n>>m){
    ^
0_0_29129696_16417\Main.java:8: 错误: 需要class, interface或enum
        for(int i=0;i<m-1;i++){
        ^
0_0_29129696_16417\Main.java:8: 错误: 需要class, interface或enum
        for(int i=0;i<m-1;i++){
                    ^
0_0_29129696_16417\Main.java:8: 错误: 需要class, interface或enum
        for(int i=0;i<m-1;i++){
                          ^
0_0_29129696_16417\Main.java:10: 错误: 需要class, interface或enum
            d*=10;
            ^
0_0_29129696_16417\Main.java:11: 错误: 需要class, interface或enum
        }
        ^
0_0_29129696_16417\Main.java:13: 错误: 需要class, interface或enum
    }
    ^
0_0_29129696_16417\Main.java:15: 错误: 需要class, interface或enum
}
^
12 个错误