Tagged: Beginner

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Nuts & Bolts Problem (Lock & Key problem)

Objec­tive:  Given ‘n’ Nuts and ‘n’ Bolts of different sizes. There is one-to-one mapping between nuts and bolts. Write an algorithm to find all matches between nuts and bolts Note: This problem can also be...

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Separate even and odd integers in a given array

Objec­tive:  Given an array which contains even and odd integers. Write an algorithm to separate even and odd numbers. Example int [] arrA = {1,2,3,4,6,8,7,12}; Output: [12, 2, 8, 4, 6, 3, 7, 1] Approach:...

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Separate 0’s and 1’s in a given array

Objec­tive:  Given an array which contains only 0’s and 1’s. write an algorithm to separate 0’s and 1’s. Example int [] arrA = {1,0,1,0,1,1,0,0,0,0,1}; Output: [0, 0, 0, 0, 0, 0, 1, 1, 1, 1,...

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Find three elements in an array that sum to a given value

Objec­tive:  Given an array of integer write an algorithm to find 3 elements that sum to a given number k. In short a+b+c = k. Example: int a [] = { 3,1,7,4,5,9,10} , k =...

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