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Category: Oracle


Find the last repeating character in a given string.

Objec­tive: Given a string, write an algo­rithm to find the last repeat­ing char­ac­ter in it. Exam­ple: String input = “hori­zon tuto­ri­als” Out­put: ‘i’ String input = “algo­rithms” Out­put: No repeat­ing char­ac­ter found. Approach: Naive approach:…


Dynamic Programming — Longest Common Subsequence

Objec­tive: Given two string sequences, write an algo­rithm to find the length of longest sub­se­quence present in both of them. These kind of dynamic pro­gram­ming ques­tions are very famous in the inter­views like Ama­zon, Microsoft,…