03. Plant Discovery - 02. Programming Fundamentals Final Exam

// 03. Plant Discovery
// 02. Programming Fundamentals Final Exam
// https://judge.softuni.org/Contests/Practice/Index/2518#2

function solve(input) {
    input.pop();
    let plants = {};
    let nPlants = input.shift();
    for (let i = 0; i < nPlants; i++) {
        let [name, rarityAsStr] = input.shift().split('<->');
        rarity = Number(rarityAsStr);
        plants[name] = [rarity, 0];
    }

    for (let i = 0; i < input.length; i++) {
        let command = input[i].split(': ');
        let plantName = command[1].split(' - ')[0];
        if (!Object.keys(plants).includes(plantName)) {
            console.log('error');
            continue;
        }

        if (command[0] === 'Rate') {
            let [plantName, rating] = command[1].split(' - ');
            if (plants[plantName][1] != 0) {
                plants[plantName][1] += Number(rating);
                plants[plantName][1] /= 2;
            } else {
                plants[plantName][1] += Number(rating);
            }

        } else if (command[0] === 'Update') {
            let [plantName, newRarity] = command[1].split(' - ');
            plants[plantName][0] = Number(newRarity);

        } else {
            let plantName = command[1];
            plants[plantName][1] = 0;
        }

    }
    console.log('Plants for the exhibition:')
    Object.entries(plants).forEach(p => {
        let name = p[0];
        let rarity = p[1][0];
        let rating = p[1][1];
        console.log(`- ${name}; Rarity: ${rarity}; Rating: ${rating.toFixed(2)}`)
    })

}

solve((["3",
    "Arnoldii<->4",
    "Woodii<->7",
    "Welwitschia<->2",
    "Rate: Wo8odii - 10",
    "Rate: Welwitschia - 7",
    "Rate: Arnoldii - 3",
    "Rate: Woodii - 5",
    "Update: Woodii - 5",
    "Reset: Arnoldii",
    "Exhibition"]))



// solve((["2",
//     "Candelabra<->10",
//     "Oahu<->10",
//     "Rate: Oahu - 7",
//     "Rate: Candelabra - 6",
//     "Exhibition"]))