PSTRING - Remove The String

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Given two strings X and Y, your task is find the minimum number of characters to be removed from X in order to obtain a string X' that does not contain Y as a substring.

Input

Input contains some test cases. Each test cases contains two lines, First is X and second is Y. Length of X <= 10000, Length of Y <= 1000.

Output

For each test cases, You should output exactly one integer is the minimum number of characters to be remove

Example

Input:
ababaa
aba

Output:
1


hide comments
Buda IM (retired): 2012-08-18 10:18:25

O( |X|*|Y| ), is just fine using bottom up, recursion will TLE.

Jose Luis Castrillon Garrido: 2012-04-28 22:24:12

O(length(X)*length(Y)) is getting TLE, is expected to implement another algorithm?

cherudim: 2011-02-03 04:43:28

Isn't it bbaa?

Last edit: 2014-10-17 16:51:26
David Gómez: 2010-07-22 03:15:49

If we remove the char 'c' from bbcaa, will the resulting string be bbaa or bb aa?


Added by:Hoang Hong Quan
Date:2006-01-17
Time limit:1.265s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:All except: NODEJS PERL6 VB.NET
Resource:A contest of Romanian