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View Compilation Error

0_0_20350288_5452\Main.java:1: 错误: 非法字符: '#'
#include <iostream>
^
0_0_20350288_5452\Main.java:1: 错误: 需要class, interface或enum
#include <iostream>
         ^
0_0_20350288_5452\Main.java:2: 错误: 非法字符: '#'
#include <stdio.h>
^
0_0_20350288_5452\Main.java:3: 错误: 非法字符: '#'
#include <algorithm>
^
0_0_20350288_5452\Main.java:4: 错误: 非法字符: '#'
#include <math.h>
^
0_0_20350288_5452\Main.java:7: 错误: 需要class, interface或enum
int main(){
^
0_0_20350288_5452\Main.java:9: 错误: 需要class, interface或enum
	scanf("%d",&T);
	^
0_0_20350288_5452\Main.java:10: 错误: 需要class, interface或enum
	while(T--){
	^
0_0_20350288_5452\Main.java:12: 错误: 需要class, interface或enum
		double ans=0;
		^
0_0_20350288_5452\Main.java:13: 错误: 需要class, interface或enum
		for(int i=1;i<=n;i++)
		^
0_0_20350288_5452\Main.java:13: 错误: 需要class, interface或enum
		for(int i=1;i<=n;i++)
		            ^
0_0_20350288_5452\Main.java:13: 错误: 需要class, interface或enum
		for(int i=1;i<=n;i++)
		                 ^
0_0_20350288_5452\Main.java:14: 错误: 需要class, interface或enum
			for(int j=1;j<=m;j++){
			            ^
0_0_20350288_5452\Main.java:14: 错误: 需要class, interface或enum
			for(int j=1;j<=m;j++){
			                 ^
0_0_20350288_5452\Main.java:16: 错误: 需要class, interface或enum
				suc=((i-1)*(n-i+1)+i*(n-i)+n)*1.0/(n*n)*(((j-1)*(m-j+1)+j*(m-j)+m)*1.0/(m*m));
				^
0_0_20350288_5452\Main.java:17: 错误: 需要class, interface或enum
				suc=1-suc;
				^
0_0_20350288_5452\Main.java:18: 错误: 需要class, interface或enum
				ans+=1.0-pow(suc,k);
				^
0_0_20350288_5452\Main.java:19: 错误: 需要class, interface或enum
			}
			^
0_0_20350288_5452\Main.java:21: 错误: 需要class, interface或enum
	}
	^
19 个错误


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