[LeetCode] 950. Reveal Cards In Increasing Order 按递增顺序显示卡牌
Inadeckofcards,everycardhasauniqueinteger.Youcanorderthedeckinanyorderyouwant.Initially,allthecardsstartfacedown(unrevealed)inonedeck.Now,youdothefollowingstepsrepeatedly,untilallcardsarerevealed:Take