Can you solve the secret assassin society riddle? - Alex Rosenthal

1,030,914 views ・ 2023-11-07

TED-Ed


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翻译人员: 欣欣 宋 校对人员: suya f.
00:07
Your agent is about to infiltrate a life or death poker game
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你的特工即将潜入大赌场 一个隐蔽的后室
00:11
in a hidden back room of the grand casino.
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里的生死扑克游戏。
00:14
You’re on the trail of an elite society of assassins,
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你正在追踪一个由刺客组成的精英社会,
00:17
each of whom carries a signature playing card corresponding to their role.
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他们每个人都携带一张 与其角色相对应的签名扑克牌。
00:22
You’ve received intel from a 100% reliable source about how they operate.
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你已经从 100%可信的来源收到了 有关它们运作方式的情报。
00:27
Their M.O. is to invite their victims to a high stakes game
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他们的任务是邀请受害者 参加一场高风险的游戏
00:31
with one or more killers at the table.
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桌上有一名或多名杀手。
00:33
The game is a variant of poker played with a single, fair deck
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该游戏是扑克的一种变体, 使用一副公平的牌,
00:37
where every player receives two cards in secret.
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玩家都会秘密获得两张牌。
00:41
Each assassin immediately and covertly swaps one of the cards
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每个刺客都会立即 秘密地用签名牌交换
00:45
they’ve been fairly dealt with their signature card.
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他们得到公平 处理的一张牌。
00:49
Then the robo-dealer reveals three shared cards on the table.
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然后,机器人庄家在牌桌上 展示了三张共享牌。
00:53
After betting, the assassins play their signature cards
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下注后,刺客打出 他们的签名牌,以此
00:57
as a signal that they’re ready.
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作为他们准备就绪的信号。
00:59
When the last one comes out, they go about their grim business.
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当最后一个问世时, 他们会去做自己严峻的生意。
01:03
Today's game is no different,
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今天的游戏也不例外,
01:04
and your mission is to identify the assassins and save all the victims.
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你的任务是识别 刺客并拯救所有受害者。
01:09
Everyone at the table is either an assassin or a victim,
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在座的每个人要么 是刺客,要么是受害者,
01:13
and there must be at least one of each.
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而且每人必须至少有一人。
01:16
The game is about to begin when your agent finds the secret passage
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当你的特工找到秘密通道
01:19
and talks her way into a seat at the table.
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并与她说话进入桌边的座位 时,游戏就要开始了。
01:23
Meanwhile, you’re monitoring the proceedings with an insect drone.
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同时,你正在用昆虫 无人机监视诉讼程序。
01:27
If you can figure out who has swapped out a fairly dealt card with a new one,
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如果你能弄清楚谁用了 一张公平的牌换成了新牌,
01:32
you can identify the assassins and alert your agent through her earpiece.
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你就能识别出刺客并通过 她的听筒提醒你的特工。
01:37
The game begins.
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游戏开始了。
01:38
Your drone doesn’t catch anyone’s sleight of hand,
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你的无人机无法抓住 任何人的诡计,
01:41
but it does manage to get a look at the cards each player holds.
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但它确实设法看到了 每个玩家持有的牌。
01:46
Suddenly — disaster.
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突然间-灾难。
01:47
Someone swats the drone,
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有人猛击无人机,
01:49
breaking your video feed before the reveal of the shared cards.
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在共享卡片曝光 之前破坏了你的视频源。
01:53
It goes into emergency mode and is just operational enough
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它进入紧急模式, 其操作性刚好足
01:57
to send the following string of data about those three shared cards
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以在永久关闭
02:01
before shutting down for good.
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之前发送有关这三张 共享卡的以下数据串。
02:03
And that’s it; you’ve lost your eyes and ears in the room.
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仅此而已;你在房间里 失去了眼睛和耳朵。
02:07
Your spy can’t see anyone else’s cards or tell you anything,
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你的间谍看不见别人的牌, 也无法告诉你任何事情,
02:11
so it’s up to you to figure this out, and fast.
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所以要由你来快速解决这个问题。
02:15
Who are the assassins?
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谁是刺客?
02:17
Pause here to figure it out yourself.
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在这里停下来自己弄清楚。
02:19
Answer in 3
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在 3 个
02:20
Answer in 2
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答案中
02:22
Answer in 1
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回答 2 个答案在 1 中回答
02:24
You can start by combining the first two rules.
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你可以从组合 前两个规则开始。
02:27
The second tells us that there are at least two queens,
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第二个告诉我们至少有两个王后,
02:30
and the first that there's at least one king.
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第一个告诉我们 至少有一位国王。
02:33
So we must have two queens and a king.
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所以我们必须有两个 王后和一个国王。
02:36
The first rule then tells us that the king is either in the middle or the left.
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然后,第一条规则告诉我们, 国王要么在中间要么在左边。
02:41
That’s all we can do for now, so let’s look at the suits.
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这就是我们现在所能做的, 所以让我们来看看西装。
02:44
By the same logic, we know that there must be two spades and one heart.
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按照同样的逻辑,我们知道 一定有两颗黑桃和一颗心。
02:49
And by the third rule, that heart must be in the middle or on the right.
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根据第三条规则,那颗心 必须位于中间或右边。
02:54
We can now make a table with our four possibilities.
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现在,我们可以用我们的 四种可能性做一张桌子。
02:57
We can eliminate this one,
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我们可以消灭这个,
02:59
because it would require the deck having two queens of spades.
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因为它需要牌组 有两个黑桃皇后。
03:02
We can’t rule out any other options, but we don’t actually need to;
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我们不能排除任何其他选择, 但实际上我们并不需要;
03:07
in every case, the three cards are the king of spades, the queen of hearts,
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在每种情况下,这三张牌都 是黑桃之王、红心皇后
03:11
and the queen of spades, in different orders.
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和黑桃皇后, 顺序不同。
03:15
And it just so happens that each of these players holds one of those cards.
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碰巧这些玩家中的每 一个都持有其中一张牌。
03:19
So, they’re the assassins, right?
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所以,他们是刺客,对吧?
03:21
Well, hold on, there’s something odd.
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好吧,等等,有点奇怪。
03:23
Player 2 and the agent both hold the same card.
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玩家 2和代理都持有 同一张牌。
03:27
So, one of those must be a signature assassin card.
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所以,其中一张 必须是刺客签名卡。
03:31
But you know from your Intel that there’s at least one victim who is not the agent.
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但是你从你的情报那里得知, 至少有一个受害者不是代理人。
03:36
How can that be?
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怎么会这样?
03:37
Oh, no. There’s only one possibility:
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哦,不是。 只有一种可能性:
03:40
your spy is the assassin known as the king of diamonds,
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你的间谍是被 称为钻石之王的刺客,
03:44
and she’s been playing you this whole time.
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而她一直在扮演你。
03:47
The only victim is player 2.
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唯一的受害者是玩家 2。
03:50
You rush in, grab hold of player 2 just before the bidding ends,
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你冲进来,在竞标结束前抓住玩家 2,
03:53
and make a run for it.
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然后逃跑。
03:55
On your way out, you lock eyes with your backstabbing partner.
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在你出去的路上,你会 和你那暗箭伤人的伙伴闭上眼睛。
03:58
You search her features, desperate for any sign of remorse or apology.
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你搜索她的特征,迫切希望看到 任何悔恨或道歉的迹象。
04:03
All you get back is a poker face.
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你得到的只是一张扑克脸。
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