Razorpay KMP Fraud Pattern Search
Razorpay KMP Fraud Pattern Search
HardAlgorithms0% accepted
Razorpay fraud system searches transaction logs for fraud patterns. Implement KMP string search: given text and pattern, return all starting indices where pattern occurs in text in O(n+m).
Approach
KMP pattern matching: find all occurrences of pattern in text in O(n+m).
Input
aabxaabxaaabxaabxaab
aabxaab
Output
[0,9,13]
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