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View Compilation Error

0_0_34641298_769\Main.java:1: 错误: 非法字符: '#'
#include <iostream>
^
0_0_34641298_769\Main.java:1: 错误: 需要class, interface或enum
#include <iostream>
         ^
0_0_34641298_769\Main.java:2: 错误: 非法字符: '#'
#include <math.h>
^
0_0_34641298_769\Main.java:4: 错误: 需要class, interface或enum
int main()
^
0_0_34641298_769\Main.java:7: 错误: 需要class, interface或enum
	int lm,ln,onesteps,step;
	^
0_0_34641298_769\Main.java:9: 错误: 需要class, interface或enum
	while(cin>>m>>n)
	^
0_0_34641298_769\Main.java:13: 错误: 需要class, interface或enum
		ln = ceil(sqrt(double(n)));
		^
0_0_34641298_769\Main.java:14: 错误: 需要class, interface或enum
		if(lm == ln) step = abs(m-n);
		^
0_0_34641298_769\Main.java:15: 错误: 需要class, interface或enum
		else 
		^
0_0_34641298_769\Main.java:18: 错误: 需要class, interface或enum
			mcr = (lm*lm-m)/2 + 1;
			^
0_0_34641298_769\Main.java:19: 错误: 需要class, interface或enum
			ncr = (ln*ln-n)/2 + 1;
			^
0_0_34641298_769\Main.java:20: 错误: 需要class, interface或enum
			mcl = abs(m-(lm*lm-2*lm+2))/2+1;
			^
0_0_34641298_769\Main.java:21: 错误: 需要class, interface或enum
			ncl = abs(n-(ln*ln-2*ln+2))/2+1;
			^
0_0_34641298_769\Main.java:22: 错误: 需要class, interface或enum
			step = abs(mcr-ncr)+abs(mcl-ncl)+abs(lm-ln);
			^
0_0_34641298_769\Main.java:24: 错误: 需要class, interface或enum
		}
		^
0_0_34641298_769\Main.java:26: 错误: 需要class, interface或enum
	}
	^
0_0_34641298_769\Main.java:29: 错误: 需要class, interface或enum
}
^
17 个错误


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