View Compilation Error

0_0_33253247_959\Main.java:1: 错误: 非法字符: '#'
#include<stdio.h>
^
0_0_33253247_959\Main.java:1: 错误: 需要class, interface或enum
#include<stdio.h>
        ^
0_0_33253247_959\Main.java:6: 错误: 需要class, interface或enum
	while(scanf("%d",&score)==1)
	^
0_0_33253247_959\Main.java:10: 错误: 需要class, interface或enum
		else if(score>=80&&score<=89)
		^
0_0_33253247_959\Main.java:12: 错误: 需要class, interface或enum
			 else if(score>=70&&score<=79)
			 ^
0_0_33253247_959\Main.java:14: 错误: 需要class, interface或enum
			 	  else if(score>=60&&score<=69)
			 	  ^
0_0_33253247_959\Main.java:16: 错误: 需要class, interface或enum
			 	  	   else if(score>=0&&score<=59)
			 	  	   ^
0_0_33253247_959\Main.java:18: 错误: 需要class, interface或enum
			 	  	   		else
			 	  	   		^
0_0_33253247_959\Main.java:20: 错误: 需要class, interface或enum
	}
	^
0_0_33253247_959\Main.java:22: 错误: 需要class, interface或enum
}
^
10 个错误