exam-28march2020

1. ChangeBureau

function solve(input){
    let bitCoinCount = Number(input.shift());
    let YenCount = Number(input.shift());
    let commission = Number(input.shift());

    let exchange = ((bitCoinCount * 1168 + (YenCount * 0.15) * 1.76) / 1.95) * (1 - commission * 0.01)

    console.log(exchange.toFixed(2))
}
// solve([1, 5, 5])
// solve([20, 5678, 2.4])
// solve([7, 50200.12, 3])

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1. SuppliesForSchool

function solve(input){
    let pens = Number(input.shift());
    let markers = Number(input.shift());
    let mrProper = Number(input.shift());
    let discount = Number(input.shift());

    let price = pens * 5.8 + markers * 7.2 + mrProper * 1.2

    console.log(`${(price - price * discount / 100).toFixed(3)}`)
}
// solve([2, 3, 2.5, 25])
// solve([4, 2, 5, 13])
// solve([7, 8, 0.5, 45])

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2. CatWalking

function solve(input){
    let minutesWalk = Number(input.shift());
    let walksCount = Number(input.shift());
    let catCalories = Number(input.shift());

    let burnedCalories = minutesWalk * walksCount * 5;

    if (burnedCalories >= catCalories / 2){
        console.log(`Yes, the walk for your cat is enough. Burned calories per day: ${burnedCalories}.`)
    }
    else{
        console.log(`No, the walk for your cat is not enough. Burned calories per day: ${burnedCalories}.`)
    }
}
// solve([30, 3, 600])
// solve([15, 2, 500])
// solve([40, 2, 300])

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2. MountainRun

function solve(input){
    let record = Number(input.shift());
    let distance = Number(input.shift());
    let speed = Number(input.shift());

    let timeGeorgi = distance * speed + (Math.floor(distance / 50)) * 30

    if (record <= timeGeorgi){
        console.log(`No! He was ${(timeGeorgi - record).toFixed(2)} seconds slower.`)
    }
    else{
        console.log(`Yes! The new record is ${timeGeorgi.toFixed(2)} seconds.`)
    }
}
// solve([10164, 1400, 25])
// solve([5554.36, 1340, 3.23])
// solve([1377, 389, 3])

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3. EnergyBooster

function solve(input){
    let fruit = input.shift();
    let size = input.shift();
    let orders = Number(input.shift());

    var fruits = {
        'Watermelon': [56.00, 28.70],
        'Mango': [36.66, 19.60],
        'Pineapple': [42.10, 24.80],
        'Raspberry': [20.00, 15.20]
    }
    var type = {
        'small': fruits[fruit][0] * 2 * orders,
        'big': fruits[fruit][1] * 5 * orders
    }

    let price = type[size]

    if (price > 1000){
        price *= 0.50
    }
    else if (price >= 400){
        price *= 0.85
    }
    console.log(`${price.toFixed(2)} lv.`)
}
// solve(['Watermelon', 'big', 4])
// solve(['Pineapple', 'small', 1])
// solve(['Raspberry', 'small', 50])
// solve(['Mango', 'big', 8])

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3. FitnessCard

function solve(input){
    let money = Number(input.shift());
    let gender = input.shift();
    let age = Number(input.shift());
    let sport = input.shift();

    var cards = {
        'Gym': [42, 35],
        'Boxing': [41, 37],
        'Yoga': [45, 42],
        'Zumba': [34, 31],
        'Dances': [51, 53],
        'Pilates': [39, 37]
    }
    var genders = {
        'm': cards[sport][0],
        'f': cards[sport][1]
    }

    let price = genders[gender]

    if (age <= 19){
        price *= 0.8
    }

    if (price <= money){
        console.log(`You purchased a 1 month pass for ${sport}.`)
    }
    else{
        console.log(`You dont have enough money! You need $${(price - money).toFixed(2)} more.`) // ' in don't
    }
}
// solve([50, 'm', 23, 'Gym'])
// solve([20, 'f', 15, 'Yoga'])

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4. FoodForPets

function solve(input){
    let days = Number(input.shift());
    let food = Number(input.shift());

    let biscuits = 0;
    let dogEaten = 0;
    let catEaten = 0;

    for (i = 1; i <= days; i++) {
        let dogFood = Number(input.shift());
        let catFood = Number(input.shift());

        dogEaten += dogFood;
        catEaten += catFood;

        if (i % 3 == 0){
            biscuits += (dogFood + catFood) * 0.1;
        }
      }
      let totalEaten = dogEaten + catEaten;

      console.log(`Total eaten biscuits: ${Math.round(biscuits)}gr.`)
      console.log(`${(totalEaten / food * 100).toFixed(2)}% of the food has been eaten.`)
      console.log(`${(dogEaten / totalEaten * 100).toFixed(2)}% eaten from the dog.`)
      console.log(`${(catEaten / totalEaten * 100).toFixed(2)}% eaten from the cat.`)
}
// solve([3, 1000, 300, 20, 100, 30, 110, 40])
// solve([3, 500, 100, 30, 110, 25, 120, 35])

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4. TrekkingMania

function solve(input){
    let Everest = 0;
    let K2 = 0;
    let Kilimandjaro = 0;
    let Monblan = 0;
    let Musala = 0;

    let groups = Number(input.shift());

    for (i = 1; i <= groups; i++){
        climbers = Number(input.shift());

        if (climbers > 40){
            Everest += climbers
        }
        else if (climbers > 25){
            K2 += climbers
        }
        else if (climbers > 12){
            Kilimandjaro += climbers
        }
        else if (climbers > 5){
            Monblan += climbers
        }
        else{
            Musala += climbers
        }
    }
    let totalClimbers =  Everest + K2 + Kilimandjaro + Monblan + Musala;

    console.log(`${(Musala / totalClimbers* 100).toFixed(2)}%`)
    console.log(`${(Monblan / totalClimbers * 100).toFixed(2)}%`)
    console.log(`${(Kilimandjaro / totalClimbers * 100).toFixed(2)}%`)
    console.log(`${(K2 / totalClimbers * 100).toFixed(2)}%`)
    console.log(`${(Everest / totalClimbers * 100).toFixed(2)}%`)
}
// solve([10, 10, 5, 1, 100, 12, 26, 17, 37, 40, 78])

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5. CareOfPuppy

function solve(input){
    let food = Number(input.shift()) * 1000;

    while (true){
        let command = input.shift();

        if (command == 'Adopted'){
            break
        }

        food -= command
    }
    if (food >= 0){
        console.log(`Food is enough! Leftovers: ${food} grams.`)
    }
    else{
        console.log(`Food is not enough. You need ${Math.abs(food)} grams more.`)
    }
}
// solve([4, 130, 345, 400, 180, 230, 120, 'Adopted'])
// solve([3, 1000, 1000, 1000, 'Adopted'])
// solve([2, 999, 456, 999, 999, 123, 456, 'Adopted'])

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5. SuitcaseLoaded

function solve(input){
    let planeCapacity = Number(input.shift());

    let suitcasesCount = 0;

    while (true){
        let suitcase = input.shift();

        if (suitcase == 'End'){
            console.log(`Congratulations! All suitcases are loaded!`)
            break;
        }

        suitcasesCount += 1;

        if (suitcasesCount % 3 == 0){
            planeCapacity -= suitcase * 1.1
        }
        else{
            planeCapacity -= suitcase
        }

        if (planeCapacity <= 0){
            console.log(`No more space!`)
            suitcasesCount -= 1
            break;
        }
    }
    console.log(`Statistic: ${suitcasesCount} suitcases loaded.`)
}
// solve([550, 100, 252, 72, "End"])
// solve([700.5, 180, 340.6, 126, 220])

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6. ChristmasTournament

function solve(input){
    let days = Number(input.shift());

    let money = 0;
    let dayWon = 0;
    let dayLost = 0;

    for (i = 0; i < days; i++){
        let dailyMoney = 0;
        let win = 0;
        let lose = 0;

        while (true){
            let sport = input.shift();

            if (sport == 'Finish'){
                break
            }

            let result = input.shift();

            if (result == 'win'){
                win += 1
                dailyMoney += 20
            }
            else{
                lose += 1
            }
        }

        if (win > lose){
            dailyMoney *= 1.1
            dayWon += 1
        }
        else{
            dayLost += 1
        }
        money += dailyMoney
    }

    if (dayWon > dayLost){
        console.log(`You won the tournament! Total raised money: ${(money * 1.2).toFixed(2)}`)
    }
    else{
        console.log(`You lost the tournament! Total raised money: ${money.toFixed(2)}`)
    }
}
// solve([2, 'volleyball', 'win', 'football', 'lose', 'basketball', 'win', 'Finish', 'golf', 'win', 'tennis', 'win', 'badminton', 'win', 'Finish'])
// solve([3, 'darts', 'lose', 'handball', 'lose', 'judo', 'win', 'Finish',
//  'snooker', 'lose', 'swimming', 'lose', 'squash', 'lose', 'table tennis', 'win', 'Finish', 'volleyball', 'win', 'basketball', 'win', 'Finish'])