Created
December 9, 2019 10:44
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Challenge Emerion
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>House Energy Coins</title> | |
| </head> | |
| <body> | |
| <div> | |
| <label>Input: </label> | |
| <textarea id="userInput"></textarea> | |
| <button onclick="run()">Run</button> | |
| </div> | |
| <div> | |
| Result: <span id="result"></span> | |
| </div> | |
| <script> | |
| class House { | |
| constructor(energy, coins) { | |
| this.energy = energy || 0; | |
| this.coins = coins || 0; | |
| } | |
| } | |
| class Traveler { | |
| constructor(initialEnergy, houseList) { | |
| this.initialEnergy = initialEnergy; | |
| this.houseList = houseList; | |
| this.earned = 0; | |
| } | |
| maxCoinsReachable(firstIndex, lastIndex, energy) { | |
| if ((firstIndex == lastIndex) || energy < 0) | |
| return 0; | |
| if ((lastIndex - firstIndex) < energy) { | |
| return this.houseList.slice(firstIndex, lastIndex).reduce((a, b) => ({ coins: a.coins + b.coins })).coins; | |
| } | |
| return Math.max( | |
| this.maxCoinsReachable(firstIndex + 1, lastIndex, energy + this.houseList[firstIndex].energy - 1), | |
| this.houseList[firstIndex].coins + this.maxCoinsReachable(firstIndex + 1, lastIndex, energy - 1) | |
| ); | |
| } | |
| getRich() { | |
| this.earned = this.maxCoinsReachable(0, this.houseList.length, this.initialEnergy); | |
| } | |
| } | |
| </script> | |
| <script> | |
| function run() { | |
| let userInputList = document.querySelector('#userInput').value.split('\n'); | |
| let initialEnergy = Number(userInputList[0]); | |
| let houseEnergyCount = Number(userInputList[1]); | |
| let energyEndIndex = 2 + houseEnergyCount; | |
| let houseEnergyList = userInputList.slice(2, energyEndIndex).map(e => Number(e)); | |
| let houseCoinsCount = Number(userInputList[energyEndIndex]); | |
| let houseCoinsList = userInputList.slice(energyEndIndex + 1, energyEndIndex + 1 + houseCoinsCount).map(e => Number(e)); | |
| let houseCount = Math.max(houseEnergyCount, houseCoinsCount); | |
| let houseList = []; | |
| for (i = 0; i < houseCount; i++) { | |
| houseList.push(new House(houseEnergyList[i], houseCoinsList[i])) | |
| } | |
| let alex = new Traveler(initialEnergy, houseList); | |
| alex.getRich(); | |
| document.querySelector('#result').innerHTML = alex.earned; | |
| } | |
| </script> | |
| </body> | |
| </html> |
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