View Compilation Error

0_0_26490432_10462\Main.java:1: 错误: 非法字符: '#'
#include<stdio.h>
^
0_0_26490432_10462\Main.java:1: 错误: 需要class, interface或enum
#include<stdio.h>
        ^
0_0_26490432_10462\Main.java:5: 错误: 需要class, interface或enum
     scanf("%d",&i);
     ^
0_0_26490432_10462\Main.java:6: 错误: 需要class, interface或enum
	 for(o=1;o<=i;o++)
	 ^
0_0_26490432_10462\Main.java:6: 错误: 需要class, interface或enum
	 for(o=1;o<=i;o++)
	         ^
0_0_26490432_10462\Main.java:6: 错误: 需要class, interface或enum
	 for(o=1;o<=i;o++)
	              ^
0_0_26490432_10462\Main.java:9: 错误: 需要class, interface或enum
		 s=2+(2*n-1)*(n+1)-2*n;
		 ^
0_0_26490432_10462\Main.java:10: 错误: 需要class, interface或enum
		 printf("%d\n",s);
		 ^
0_0_26490432_10462\Main.java:11: 错误: 需要class, interface或enum
	 }
	 ^
0_0_26490432_10462\Main.java:13: 错误: 需要class, interface或enum
}
^
10 个错误