View Compilation Error

0_0_29431290_1897\Main.java:2: 错误: 非法字符: '#'
#include<stdio.h>
^
0_0_29431290_1897\Main.java:2: 错误: 需要class, interface或enum
#include<stdio.h>
        ^
0_0_29431290_1897\Main.java:6: 错误: 需要class, interface或enum
}
^
0_0_29431290_1897\Main.java:10: 错误: 需要class, interface或enum
	while(~scanf("%d%d",&a,&b))
	^
0_0_29431290_1897\Main.java:13: 错误: 需要class, interface或enum
		if(gb(a,b)==1)
		^
0_0_29431290_1897\Main.java:15: 错误: 需要class, interface或enum
		else
		^
0_0_29431290_1897\Main.java:17: 错误: 需要class, interface或enum
	}
	^
7 个错误