View Compilation Error

0_0_36120533_22154\Main.java:1: 错误: 非法字符: '#'
#include<stdio.h>
^
0_0_36120533_22154\Main.java:1: 错误: 需要class, interface或enum
#include<stdio.h>
        ^
0_0_36120533_22154\Main.java:3: 错误: 需要class, interface或enum
main()
^
0_0_36120533_22154\Main.java:6: 错误: 需要class, interface或enum
	while(scanf("%ld%ld",&m,&n)!=EOF)
	^
0_0_36120533_22154\Main.java:8: 错误: 需要class, interface或enum
}
^
0_0_36120533_22154\Main.java:12: 错误: 需要class, interface或enum
	else if(m==0)return n+2;
	^
0_0_36120533_22154\Main.java:13: 错误: 需要class, interface或enum
	else if(m==1) return n+2;
	^
0_0_36120533_22154\Main.java:14: 错误: 需要class, interface或enum
	else if(m==2) return 2*n+3;
	^
0_0_36120533_22154\Main.java:15: 错误: 需要class, interface或enum
	else  if(m==3)return A(m,n-1)*2+3;
	^
0_0_36120533_22154\Main.java:16: 错误: 需要class, interface或enum
}
^
10 个错误