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Typical sting matching problem with rabin karp

This is a problem from codeforces round 344 div2: http://codeforces.com/contest/631/problem/D

Basically it asks to find the number of occurrences of string S in string T but the strings are given in following format: One block may be described as a pair (li, ci), where li is the length of the i-th block and ci is the corresponding letter. Ex:aabbc will be represented as 2-a 2-b 1-c The total no. of blocks are  ≤ 200 000 and li (as described above) is <=1000000.

Can anyone give me the idea to solve it using Rabin Karp algorithm?

asked 27 Apr '16, 15:42

ishan_nitj's gravatar image

4★ishan_nitj
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question asked: 27 Apr '16, 15:42

question was seen: 1,114 times

last updated: 27 Apr '16, 15:42