Doomsday Wonderland

Sometimes being able to figure things out does not mean that you can explain things clearly - not to mention that when Lin Sanjiu broke the situation, many of his thoughts and analyzes were actually just fleeting thoughts in the depths of his mind, still at the level of vague, "thinking activities" It is far from being able to be put into words.

In order to clarify all her thoughts and express them, she needed to use mimicry instead.

Ji Shanqing, who had not been seen for a long time and almost seemed strange to her, was as thin as mist and like the last signal. Compared with many years ago, when Ji Shanqing mimicked her now, both the clarity and stability were much better. Far less than when she just walked with him.

When she is out of sight or around, her relatives and friends seem to be constantly changing and moving away.

"This skill is quite interesting," the landlady looked at her and seemed to understand without asking anything. She murmured, "We have to be more careful in the future."

The male agent brought two stools from nowhere and was ready to listen to Lin Sanjiu's speech; he was obviously a duplicate creature, but he was still very "human" in every detail.

"The information given in Room 101 is crucial. It provides a key prerequisite for whether a person can leave the copy." Lin Sanjiu said, "Ignoring the exit, there are two points I need to verify. The first is that 'each resident There are truths and lies in everything you say, and the second thing is that there is an intermediary of truth and an intermediary of lies.”

It stands to reason that this key premise should be the first to get it. Room 101 is also at the starting point of the dungeon, but Lin Sanjiu didn't knock on the door of Room 101 until the middle of the dungeon.

"Is it because I haven't heard the introduction to the dungeon rules and don't know where to start?" she asked, "Isn't it?"

"No." The landlady crossed her legs and said, "On average, more than half of the ten people will walk deeper into the corridor first. Seeing the situation, many people will choose to walk through the entire building first before talking. . When the safety ahead is unknown, few people will immediately knock on the first door around them."

…That’s why the copy stuffed the most critical information into 101.

"This is not the only trap you have specially set for evolvers. And the more intelligent, cautious, and thoughtful a person is, the easier it is for him to be trapped in a trap and unable to get out."

The landlady smiled.

"Even if he gets the key information from Room 101 at the beginning," Lin Sanjiu said flatly, "when he walks through the apartment, the Evolver will find that he can't tell whether the information in Room 101 is true or false."

When she just listened to the information about Room 101, she felt that the premise that "every resident's words are true or false" must be true.

Because if this sentence is a lie, then there are two inferences: first, the resident only tells the truth, which contradicts the premise and is impossible; second, the resident only tells lies.

But at that time, it seemed that the middle-aged woman 103 said that "the residents would trick people into entering the house, and they would not be able to get out". If 103 told the truth, then possibility "two" does not hold true, "everyone Everything the residents say is true or false." That means it's true.

Isn’t this progress? She was very excited at that time - until Lin Sanjiu came to room 205.

"The man who asked for help told me that I could still come out after entering the tenant's apartment. The tenant was just pretending to trick me into getting in." She couldn't help but smile bitterly as she said this. "In this way, the basis of this inference is that '103 middle-aged The point that women told the truth has been overturned."

This time, it gets complicated.

When she found that the inference had been overturned and reluctantly thought about it again, she realized that her initial inference step was actually too simple and did not include all possibilities.

Assuming that the premise "every householder says something true or false" is false, then she is not faced with two possibilities, but six possibilities:

First, the residents only tell the truth; second, the residents only tell lies; third, some people only tell the truth, and some only tell lies; fourth, some people only tell the truth, and some people's words contain both truth and lies; fifth, some people only tell the truth. Lies, some people’s words contain both truth and falsehood; 6. Some people only tell the truth, some people only tell lies, and some people’s words contain both truth and falsehood.

"But the first three possibilities can be ruled out quickly."

Even if Lin Sanjiu didn't activate mimicry at that time, it only took her a few seconds to say: "The first possibility goes without saying, and the second possibility is not true because some conditions are contradictory. For example, one person said that I entered the resident's apartment I couldn't get out, and one person said that I could get out after entering the resident's apartment. It's impossible to be false at the same time."

The third possibility was also ruled out because of 2: He said that the 102 adult boy's house was the exit, which was already known to be a lie through the photo loophole; and his warning to Lin Sanjiu, "Don't help the residents with daily tasks." , judging from her experience, it is true - no one put forward contradictory conditions, and the apartment residents were indeed deliberately trying to trick her into helping with daily chores, and there must be some intention.

"In fact, from an intuitive point of view, at this point, the condition that the residents' words are true or false seems to be true. But I am afraid that you are taking advantage of this to harm people, so I have to continue to dig deeper. Think about it."

"Wait, let me write it down," the landlady took out her mobile phone from her trouser pocket and typed for a while. "Okay, you continue."

However, when she reached this step, Lin Sanjiu found that she could no longer eliminate it.

Because to falsify the fourth, she has to prove that someone only tells lies; to falsify the fifth, she has to prove that someone only tells the truth - in other words, she cannot rule out the fourth and fifth possibilities at the same time.

To eliminate the sixth possibility, she had to find out the truth and falsehood of each resident's words one by one; but she wanted to prove the premise in order to find out the truth and falsehood of the resident's information. Unexpectedly, she went around in a circle and came back again.

"If the premise that 'what residents say is true or false' is false," Lin Sanjiu said thoughtfully, "then I can only draw an ambiguous conclusion at most - the exit may be at 104 or 205. Moreover, The possibility is still very small.”

It is basically impossible to make further inferences: because almost every step of inference has new possibilities that she cannot completely rule out; if she cannot rule out new possibilities, she cannot obtain the only correct answer.

"So, my subsequent analysis will be conducted under the condition that this premise is true."

If "what the residents say is true and what is false" is true, then the two information points given by 102 adult boys have proven that the photos are fake, then the point of "the truth is told and the lies are told" is true.

"Then what?" the landlady asked urgingly.

"This can confirm that the agent Xiao Xu is a truth-telling agent." Lin Sanjiu explained, "This will be used in a while."

The breaking point begins in Room 105.

After the woman in Room 105 failed to deceive Lin Sanjiu, she told her, first, 1 agent; second, 1 truthful agent.

One of these two information points is true and one is false. One of them must be true, otherwise there will be a logical contradiction. Then there are only two falsehoods - starting from 1, he is the intermediary of lies.

107 But it is possible to tell the truth as well as lies.

If Room 107 is the truth-telling agent, the inference is very simple and smooth: Room 202 is also the truth-telling agent, so we conclude that Room 207 is also the truth-telling agent, and we conclude that there is another hidden agent on the second floor, and it must be a lie. intermediary.

Considering that what 107 said "Don't enter an apartment without an agent" is true, and what agent Xiao Xu said "the exit is in an apartment where residents live" is also true, then it is very simple. The exit must be "with both an agent and an agent." "In the apartment where the residents are" - combined with the fake agency hidden on the second floor, it is not difficult to find that there is only room 203 with two people inside, which is Lin Sanjiu's only answer.

If 107 is a false agent, it will be a little more complicated: Since 107 said that room 202 is an agent, then the woman in room 202 must be a resident, and her words may be true or false; among the four information points she provided, The first and second points must be false.

If the third point is false, combined with the information from the agent Xiao Xu that "there is more than one agent in this building," it means that there are agents on the second floor whose number is neither 0 nor 2. If it is true, there are two intermediaries on the second floor.

The fourth point cannot be true - if the fourth point "there is an intermediary in room 207" is true, then the intermediary in room 207 is the truth-telling intermediary. As a truth-telling intermediary, he said that room 202 is also an intermediary. 202 is a contradictory premise of the residents and therefore cannot be established.

Therefore, the fourth point said by the woman in Room 202 can only be a lie, that is, the people in Room 207 are not agents but residents; the third point she said is the truth.

Therefore, it can be concluded that there are at least two hidden intermediaries on the second floor, and they are false intermediaries.

After deducting 202, 207, college students, and dog-walking women, these two hidden lying agents can only exist in rooms 203 and 205.

And if Room 205 is a lie, when he says "my house is not an exit", it means "my house is an exit": This is contradictory to the real information given by the agent Xiao Xu - the exit only exists for the residents of this apartment. room, and the agent is waiting for clients in this building.

In this way, only 203 are left.

If the "wife" of 203 is a lie agency, UU Reading www. uukanshu． net, then what she said about "selling the house without an agent" is a lie, that is, "she found an agent to sell the house" - but she is an agent and not a resident, which creates an information conflict, so the "husband" should be the agent who lied , and "wife" is a resident.

The "wife" is a resident, so what she says can be true or false; among them, "selling the house without an intermediary" is a lie, and the other two can be true or false - after considering the three possibilities, Lin Sanjiu discovered , there is a two-thirds chance that the exit will be in Room 203.

"While I can't 100 percent rule out all other possibilities,"

She said with a cold face, "But I think your copy was specifically designed this way, right? According to the information you gave, it is impossible to completely rule out all other possibilities, otherwise the information you gave would be too coincidental. . In short, to come out, I must choose the one with the highest probability after weighing it."

After a few seconds, the landlady nodded.

"Yes," she put away her phone and said, "An evolutionist once told us about a psychological discovery, which is that when people face more choices and more possibilities, it becomes more difficult to make a decision. Judgment. It’s really embarrassing for me... Do you have any ideas or suggestions to prevent the next person from coming out like you?"

"No."

"Don't forget, the condition we agreed on is that only if you cooperate with us, we will tell you the information you want..."

"No." Lin Sanjiu said coldly, "Even if there is, I won't tell you."

"Then there's nothing I can do, but don't blame me for keeping my word." The landlady shrugged her shoulders and suddenly raised her eyes behind Lin Sanjiu and smiled. "Ah, there's no time. The next person to pick you up has already arrived."

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