5680脑筋急转弯简单数值题short
First to Say Twenty-One
题目
Two players build a running total starting at 0. On each turn a player adds 1, 2, or 3 to the total. The player who makes the total reach exactly 21 wins. Does the first player win, and if so what number should they add on the very first move?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案
Does the first player win?
First player's first move