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42 lines (38 loc) · 1.3 KB
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/**
* Created by D on 3/4/2015.
*/
/*
Greed is a dice game played with five six-sided dice. Your mission, should you choose to accept it, is to score a throw
according to these rules. You will always be given an array with five six-sided dice values.
Three 1's => 1000 points
Three 6's => 600 points
Three 5's => 500 points
Three 4's => 400 points
Three 3's => 300 points
Three 2's => 200 points
One 1 => 100 points
One 5 => 50 point
A single die can only be counted once in each roll. For example, a "5" can only count as part of a triplet
(contributing to the 500 points) or as a single 50 points, but not both in the same roll.
Example scoring
Throw Score
--------- ------------------
5 1 3 4 1 50 + 2 * 100 = 250
1 1 1 3 1 1000 + 100 = 1100
2 4 4 5 4 400 + 50 = 450
*/
function score( dice ) {
var score = 0;
var result = [0,0,0,0,0,0]; //1,2,3,4,5,6
var multiplier = [1000, 200, 300, 400, 500, 600];
dice.forEach(function(die){
result[die - 1] += 1;
});
var mostOfAnyArr = result.filter(function(num) { return num >= 3;});
var bonusLoc = result.indexOf(mostOfAnyArr[0]);
if (bonusLoc != -1) {
score += multiplier[bonusLoc];
result[bonusLoc] -= 3;
}
return score + (result[0] * 100) + (result[4] * 50);
}