Consider the following string: AABABABABBAB and pattern to be matched: ABBAB What will be the difference in shifts, when only the bad character rule is applied and when both bad character and good suffix rules are applied?
a. 5 shifts
b. 3 shifts
c. 2 shifts
d. 1 shift
a. 5 shifts
This is a worst-case scenario for the bad character rule. Applying only that, we will need to perform 7 shifts (every time by one position). Using bad character together with good suffix, we will need to perform only 2 shifts. The first one by 3 positions and the second by 4.
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