View Compilation Error

0_0_29023976_19756\Main.java:1: 错误: 非法字符: '#'
#include<stdio.h>
^
0_0_29023976_19756\Main.java:1: 错误: 需要class, interface或enum
#include<stdio.h>
        ^
0_0_29023976_19756\Main.java:5: 错误: 需要class, interface或enum
    scanf("%d",&c);
    ^
0_0_29023976_19756\Main.java:6: 错误: 需要class, interface或enum
    while(c--){
    ^
0_0_29023976_19756\Main.java:8: 错误: 需要class, interface或enum
        printf("%d\n",(int)sqrt(n));
        ^
0_0_29023976_19756\Main.java:9: 错误: 需要class, interface或enum
    }
    ^
0_0_29023976_19756\Main.java:11: 错误: 需要class, interface或enum
}
^
7 个错误