Karp Rabin Computation Unoptimized Failure Function Optimized Failure Function String Abra Q37083083

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unoptimized failO11 1212123 14 optimized faili] 00 2 02011 1 Optimized finite state machine and failure function for the stri
COMPUTEFAILURE(P[1.. m1): for i ← 1 to m fail[i] ← j (*) while j > 0 and P i] P[ j] j-fail[j] j←j+1
OPTIMIZEFAILURE(PI1.. ml, failí1 .. m): for l ← 2 to m if P[i-P[fail[i]] failli]faill fail[i]] the optimized failure function

This is Karp-Rabin computation of an unoptimized failure functionand an optimized failure function for the string:ABRACADABRA.

Can someone explain step by step how the calculations are done?

unoptimized failO11 1212123 14

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