/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
public static void main
(String[] args
) { double average = 0;
int eaten = 0;
for(int i=1;i<=100000;i++){
eaten += eat();
average = (double)eaten / i;
}
}
static int eat(){
int eaten = 0;
boolean[] table = new boolean[6];
boolean full = false;
while(!full){
int picked
= (int)(Math.
random()*6); if(table[picked]){
table[picked] = false;
eaten += 2;
} else {
table[picked] = true;
}
full = true;
for(int i=0;i<table.length;i++){
full = full & table[i];
}
}
return eaten;
}}
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