View Compilation Error

0_0_39212256_10474\Main.java:1: 错误: 非法字符: '#'
#include <bits/stdc++.h>
^
0_0_39212256_10474\Main.java:1: 错误: 需要class, interface或enum
#include <bits/stdc++.h>
         ^
0_0_39212256_10474\Main.java:2: 错误: 非法字符: '#'
#define endl '\n'
^
0_0_39212256_10474\Main.java:3: 错误: 非法字符: '#'
#define ios ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)
^
0_0_39212256_10474\Main.java:5: 错误: 需要class, interface或enum
typedef long long ll;
^
0_0_39212256_10474\Main.java:6: 错误: 需要class, interface或enum
int t;
^
0_0_39212256_10474\Main.java:8: 错误: 需要class, interface或enum
signed main() {
^
0_0_39212256_10474\Main.java:10: 错误: 需要class, interface或enum
	double x;
	^
0_0_39212256_10474\Main.java:11: 错误: 需要class, interface或enum
	while (cin >> x) {
	^
0_0_39212256_10474\Main.java:13: 错误: 需要class, interface或enum
	}
	^
0_0_39212256_10474\Main.java:15: 错误: 需要class, interface或enum
}
^
11 个错误