03. Logistics

function Logistics(input) {
    let cargoCount = Number(input[0]);
    let bus = 0.0;
    let truck = 0.0;
    let train = 0.0;
    let totalCargo = 0.0;

    for (let i = 1; i <= cargoCount; i++) {
        let cargo = Number(input[i]);
        if (cargo < 4) {
            bus += cargo;
        } else if (cargo < 12) {
            truck += cargo;
        } else {
            train += cargo;
        }
        totalCargo += cargo;
    }

    let average = (bus * 200 + truck * 175 + train * 120) / totalCargo;

    console.log(average.toFixed(2));
    console.log(`${(bus / totalCargo * 100).toFixed(2)}%`);
    console.log(`${(truck / totalCargo * 100).toFixed(2)}%`);
    console.log(`${(train / totalCargo * 100).toFixed(2)}%`);
}