buckets.js

'use strict';

const buckets = (buckets) => {
    let sum = 0;

    let times = 0;
    for (let i = Math.min(...buckets); i < Math.max(...buckets); i++) {
        let start = false;
        let subTotal = 0;
        for (const bucket of buckets) {
            times++;
            if (start && bucket < i + 1) {
                subTotal++;
            }

            if (start && bucket > i) {
                start = false;
                sum += subTotal;
                subTotal = 0;
            }

            if (bucket > i) {
                start = true;
            }
        }
    }
    console.log(`The algorithm runs on ${buckets.length} length array ${times} times`);
    return sum;
};

//Test
const array = [];
array.push([3, 2, 3]);
array.push([2, 1, 1]);
array.push([1, 1, 2]);
array.push([1, 2, 1, 3, 1, 2]);
array.push([3, 1, 2, 1, 3, 1]);
array.push([3, 1, 2, 1]);
array.push([5, 2, 3, 4, 2, 2]);

array.forEach((element) => {
    console.log("Input array: ", element);
    console.log("sum of bucket units: ", buckets(element));
    console.log("--------------------------------------------------");
});