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Single Pointer: Partitioning around a pivotal number

Q. How will you partition the following numbers 7 3 6 8 2 9 5 4 around the pivotal number of 5 so that the lower values are in front of it and higher values are behind it? A. A single pointer can be used by moving from left to…...

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Two Pointers: Partitioning around a pivotal number

Q. How will you partition the following numbers 7 3 6 8 2 9 5 4 around the pivotal number of 5 so that the lower values are in front of it and higher values are behind it? The pointers are shown with: “^” A. Start two pointers, 1) one…...

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♦ Find 2 numbers from an array that add up to the target

Q1. Given an array of integers, find two numbers such that they add up to a specific target number? For example, Given numbers: {2, 3, 8, 7, 5} Target number: 9 Result: 2 and 7 A1. Solution 1: Store processed numbers in a set.

Solution 2: Sort the numbers…...

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