Ruby Solution for Hand of Straights

ruby/0846-hand-of-straights.rb

@@ -0,0 +1,28 @@
+def is_n_straight_hand(hand, w)
+ hand = hand.sort()
+ index = 0
+ residual = []
+ cur = []
+ while(hand.length > 0)
+ num = hand.shift
+ if cur.size == 0
+ cur << num
+ else
+ if num == cur[-1] + 1
+ cur << num
+ elsif num == cur[-1]
+ residual << num
+ elsif num > cur[-1] + 1
+ return false
+ end
+ end
+ if cur.length == w 
+ hand = residual + hand
+ cur = []
+ residual = []
+ end
+
+ end
+ return (cur.size == 0 or cur.size == w)
+
+end