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Added implementatin for kadane's algorithm #1031

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@sundaram123krishnan sundaram123krishnan commented Apr 16, 2023

This change attempts to resolve issue #1030.
Only included the implementation of the algorithm, let me know whether i should further continue to contribute or not.
Signed-off-by : Sundaram krishnan [email protected]

@sundaram123krishnan sundaram123krishnan changed the title Added implementatin of kadane's algorithm Added implementatin for kadane's algorithm Apr 16, 2023
*/

export default function kadane() {
let current_sum = array[0];

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what is array?

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Thanks for pointing out , i forgot to add parameter to function.

* Simplest Kadane's algorithm implementation.
*
* @param {*[]} array
* @return {number[]}
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Suggested change
* @return {number[]}
* @return {number}

/**
* Simplest Kadane's algorithm implementation.
*
* @param {*[]} array
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Suggested change
* @param {*[]} array
* @param {number[]} array


// This algorithm works for both positive and negative values of the array

let current_sum = array[0];
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Suggested change
let current_sum = array[0];
let current_sum = array[0] ?? 0;

// This algorithm works for both positive and negative values of the array

let current_sum = array[0];
let maximum_subarray_sum = array[0];
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Suggested change
let maximum_subarray_sum = array[0];
let maximum_subarray_sum = array[0] ?? -Infinity;

or

Suggested change
let maximum_subarray_sum = array[0];
let maximum_subarray_sum = array[0] ?? - Math.pow(2, 53) - 1;

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3 participants