08. A Miner Task Associative Arrays

   function solve(input) {
                let resources = {};
                for (let i = 0; i < input.length; i += 2) {
                    debugger;
                    let metal = input[i];
                    if (!resources.hasOwnProperty(metal)) {
                    resources[metal] = new Set();
                    }
                     resources[metal].add(Number(input[i + 1]));
                }

                let arr = Object.entries(resources);

                for (let elem of arr) {
                    let resource = elem[0];
                    let quantity = [...elem[1]].reduce(function (acc, val) { return acc + val; }, 0);
                    console.log(`${resource} -> ${quantity}`);
                }
            }