Common Permutation

Problem Number: 
10 252
Type of Problem: 
Problem Category: 
Input: 
Random Input
0
0
Critical Input: 
Random Input: 
pretty women walking down the street ab ba abc acd down won prettywoman walkingdown inging singing abc efg ghi a a
Flag: 
0
Restrict Problem Hints: 
0
Restrict Problem Inputs: 
0
Problem Id: 
10252