624. maximum distance in arrays javascript

Kurniadi - answered on August 16, 2024 Popularity 2/10 Helpfulness 1/10

answer 624. maximum distance in arrays javascript

624. maximum distance in arrays javascript

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// Importing the first and last functions from lodash for array manipulation
2import { first, last } from 'lodash';
3
4// Function to calculate the maximum distance between any pair of elements from different arrays
5function maxDistance(arrays: number[][]): number {
6    // Maximum distance found so far
7    let maxDistance = 0;
8    // Initialize with the first element of the first sub-array
9    let minElement = first(arrays[0]) as number;
10    // Initialize with the last element of the first sub-array
11    let maxElement = last(arrays[0]) as number;
12
13    // Start from the second sub-array
14    for (let i = 1; i < arrays.length; ++i) {
15        // Reference to the current sub-array to avoid copying
16        const currentArray = arrays[i];
17      
18        // Calculate distance between the smallest element so far and the last element of the current sub-array
19        const distanceToMin = Math.abs(first(currentArray) as number - maxElement);
20      
21        // Calculate distance between the largest element so far and the first element of the current sub-array
22        const distanceToMax = Math.abs(last(currentArray) as number - minElement);
23      
24        // Update maxDistance with the largest of the three: itself, distanceToMin, distanceToMax
25        maxDistance = Math.max(maxDistance, distanceToMin, distanceToMax);
26      
27        // Update minElement with the smaller between minElement and the first element of the current sub-array
28        minElement = Math.min(minElement, first(currentArray) as number);
29      
30        // Update maxElement with the larger between maxElement and the last element of the current sub-array
31        maxElement = Math.max(maxElement, last(currentArray) as number);
32    }
33  
34    // Return the maximum distance found
35    return maxDistance;
36}
37

Popularity 2/10 Helpfulness 1/10 Language javascript

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Contributed on Aug 16 2024

Kurniadi -

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624. maximum distance in arrays javascript

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