min distance

closes.js

function compare(a,b) {
    if (a.distance < b.distance) {
        return -1;
    }
    if (a.distance > b.distance) {
        return 1;
    }
    return 0;
}
function ClosestXdestinations(numDestinations, allLocations, numDeliveries)
{
    // WRITE YOUR CODE HERE
    let distances = [];
    allLocations.forEach((location, index) => {
        const distance = Math.sqrt(Math.pow(location[0], 2) + Math.pow(location[1], 2));
        distances.push({index, distance});
    })
    distances = distances.sort(compare);
    const indexLocations = distances.slice(0, numDeliveries).map((item) => {
        return item.index;
    });
    const result = [];
    for(let i=0; i< numDeliveries; i++) {
        result.push(allLocations[indexLocations[i]]);
    }
    return result;
}