View Compilation Error

0_0_36997081_23466\Main.java:1: 错误: 非法字符: '#'
#include<bits/stdc++.h>
^
0_0_36997081_23466\Main.java:1: 错误: 需要class, interface或enum
#include<bits/stdc++.h>
        ^
0_0_36997081_23466\Main.java:3: 错误: 非法字符: '#'
#define LL long long 
^
0_0_36997081_23466\Main.java:3: 错误: 需要class, interface或enum
#define LL long long 
        ^
0_0_36997081_23466\Main.java:6: 错误: 需要class, interface或enum
int main()
^
0_0_36997081_23466\Main.java:10: 错误: 需要class, interface或enum
	cin>>T;
	^
0_0_36997081_23466\Main.java:11: 错误: 需要class, interface或enum
	while(T--){
	^
0_0_36997081_23466\Main.java:13: 错误: 需要class, interface或enum
		cin>>a;
		^
0_0_36997081_23466\Main.java:14: 错误: 需要class, interface或enum
		cout<<(int)(log10(2*PI*a)/2+a*(log10(a)-1/log(10)))+1<<endl;
		^
0_0_36997081_23466\Main.java:15: 错误: 需要class, interface或enum
	}
	^
0_0_36997081_23466\Main.java:17: 错误: 需要class, interface或enum
}
^
11 个错误