Urn-Ball Probabilities!

Problem Number: 
10 169
Type of Problem: 
Single Output Problem
Problem Category: 
Volume 101 (10,100-10,199)
Input: 
Random Input
0
0
Critical Input: 
Random Input: 
10 100 1000 10000 100000 999999
Problem Description Link: 
https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=1…
Problem Id: 
10169