View Compilation Error

0_0_13654137_15452\Main.java:1: 错误: 非法字符: '#'
#include<stdio.h>
^
0_0_13654137_15452\Main.java:1: 错误: 需要class, interface或enum
#include<stdio.h>
        ^
0_0_13654137_15452\Main.java:5: 错误: 需要class, interface或enum
	while(scanf("%f%f%f",&h,&l,&v)==3&&(h!=0||l!=0||v!=0))
	^
0_0_13654137_15452\Main.java:8: 错误: 需要class, interface或enum
		b=l;
		^
0_0_13654137_15452\Main.java:9: 错误: 需要class, interface或enum
		c=(-4.9)*l*l/(v*v);
		^
0_0_13654137_15452\Main.java:10: 错误: 需要class, interface或enum
		s=(4*a*c-b*b)/(4*a)+h;
		^
0_0_13654137_15452\Main.java:11: 错误: 需要class, interface或enum
		printf("%.2f\n",s);
		^
0_0_13654137_15452\Main.java:12: 错误: 需要class, interface或enum
	}
	^
8 个错误