View Compilation Error

0_0_23423314_18621\Main.java:1: 错误: 非法字符: '#'
#include <bits/stdc++.h>
^
0_0_23423314_18621\Main.java:1: 错误: 需要class, interface或enum
#include <bits/stdc++.h>
         ^
0_0_23423314_18621\Main.java:3: 错误: 需要class, interface或enum
int main(){
^
0_0_23423314_18621\Main.java:5: 错误: 需要class, interface或enum
	cin>>t;
	^
0_0_23423314_18621\Main.java:6: 错误: 需要class, interface或enum
	int cas=1;
	^
0_0_23423314_18621\Main.java:7: 错误: 需要class, interface或enum
	while(t--){
	^
0_0_23423314_18621\Main.java:8: 错误: 需要class, interface或enum
		double n;cin>>n;
		         ^
0_0_23423314_18621\Main.java:9: 错误: 需要class, interface或enum
		cout<<"Case #"<<cas++<<": ";
		^
0_0_23423314_18621\Main.java:10: 错误: 需要class, interface或enum
		printf("%.10lf\n",(n-1));
		^
0_0_23423314_18621\Main.java:11: 错误: 需要class, interface或enum
	}
	^
0_0_23423314_18621\Main.java:13: 错误: 需要class, interface或enum
}
^
11 个错误