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"Huh? What? Late Tang Dynasty manuscript? What's that? ”

When Qin Yong heard this, he couldn't help but be slightly "stunned".

Because, although he knew that there was such a book as "Sun Tzu's Algorithm", he had never read it.

It's no wonder, after all, a student of later generations like him, who would have nothing to look for an ancient book like "Sun Tzu's Algorithm" to read? I'm afraid I don't even like to read the textbooks in my hands, where have I read any "Sun Tzu's Algorithm" and what manuscripts from the late Tang Dynasty?

However, one thing he can be sure of is that their junior high school teacher did say that the solution to the "chickens and rabbits in the same cage" problem is indeed recorded in "Sun Tzu's Algorithm". Otherwise, how would he know? It's just that now why do Zuo Mingqiu and others say that there is no record in "Sun Tzu's Algorithm"? Does it mean that the "Sun Tzu Algorithm" in this era and the "Sun Tzu Algorithm" that circulated in later generations are not the same version at all?

Qin Yong really couldn't believe such a fact at first, but after Zuo Mingqiu's explanation, he finally realized that this was really possible.

Because according to Zuo Mingqiu, at the beginning of the establishment of the Great Zhou Dynasty, there was a crisis that was almost lost.

And the history that Qin Yong knew in the past was from here to a fork in the road! Extending to this day, the Great Zhou Dynasty established after Wu Zetian's usurpation is still standing on the land of Shenzhou, but the territory is far from the era of power!

And yes, the situation it is facing today is very similar to that of the Great Song Dynasty in history. The same commodity economy is extremely prosperous, the same political life is extremely enlightened, and the same literati atmosphere is extremely rampant, the only difference is that. It's probably just that the pressure of the northern barbarians is not so great!

Of course, this is not to say that there is no pressure at all, in fact, the north of the Great Zhou Dynasty also existed a powerful barbarian regime, but. This barbarian regime also has a lot of internal contradictions, so it is not too keen on the invasion of the Great Zhou, at the very least, the Great Zhou Dynasty has not experienced anything like the "Shame of Jingkang".

And the original copy of "Sun Tzu's Algorithm" was completely lost in such a huge change. And the "Sun Tzu Algorithm" currently circulating in the Great Zhou Dynasty is, in fact, the last year of Tang Gaozong, the opinions of a certain "Gewuxue" Confucian on some topics on the "Sun Tzu Algorithm"!

That is, the questions are actually the same, though. In terms of solutions, it is very different, especially in this problem of "chickens and rabbits in the same cage", which is even more different! Therefore, the literati and scholars of the Great Zhou Dynasty in later generations called this version of "Sun Tzu's Algorithm" "Late Tang Dynasty Manuscript".

In fact, the solution of this "late Tang Dynasty manuscript" is quite meaningful, because it does not provide some relatively simple or even clever solutions like the original text of "Sun Tzu's Algorithm". Rather, it is to figure out a deeper discussion of guò in order to arrive at a solution that can be used in general, that is, even if any problem is changed, as long as the substance remains the same, it can be solved in general! Like this "chickens and rabbits in the same cage" problem, the solution it proposes is somewhat similar to the idea of the binary equation in later generations, but due to the limitations of the times, this obviously relatively simple solution, but it is extremely complicated!

"That's right! Qin Gongzi. Have you seen the original text of this "Sun Tzu's Algorithm" somewhere? Can you let me look at it next? ”

After explaining to Qin Yong, Zuo Mingqiu immediately continued to ask excitedly.

"Uh, no! I also heard someone talk about it by chance! ”

Where did Qin Yongshang find a copy of the original text of "Sun Tzu's Algorithm" that Zuo Mingqiu could read? So, he immediately said with a headache.

"Oh? Where is this person? What's your last name? ”

"Well, this person's surname is Tang. His name is Sanzang, and he is an ascetic monk! After I met him that day, he left Yangzhou in a hurry, and now I don't know where Yunyou has gone! ”

Qin Yong was forced to have no choice, so he had to move out the original "Tang Sanzang" again! Because only in this way can Zuo Mingqiu be prevented from asking any further. It's just that what he didn't expect was that his words made a few little girls such as qinqi, calligraphy and painting laugh out loud.

"Why is it Tang Sanzang again? Hehe, my uncle is really! ”

One of them, Qin'er, couldn't help it, so he whispered beside a few people.

"That's it, that's it! The previous poems, he also said that Tang Sanzang made them! Hmph, let me say, how can there be so many talented ascetics in this world? It's only our aunt who has such a ability! ”

"That's right, that's right!"

A few little girls were muttering on the side, and Liu Luoyao beside them heard it, and they also thought it was true.

Because when Qin Yongtui said that the poems written by "Silent Night Thoughts" and "Hoe He" for an ascetic monk, she also knew it. But later facts proved that these two poems were written by Qin Yong at all, so the words of the so-called ascetic monks were naturally lies. But now, Qin Yong actually moved out the ascetic Tang Sanzang again, so it was obvious that he was lying and deceiving people again.

"Officials are unwilling to show their skills! The so-called deep concealment, this is talking about people like officials, right? ”

Liu Luoyao thought in her heart. She didn't think there was anything wrong with Qin Yong telling such a lie, she just felt that Qin Yong's approach was too modest.

"What? Hey, such a strange person, a certain person can't have a relationship with him, it's a pity, it's a pity! ”

After Zuo Mingqiu heard Qin Yong's words, he suddenly said with some regret.

"Hehe, I'm afraid so. By the way, Mr. Zuo, since we have already learned the first question, it is time for the second question, right? ”

Qin Yong didn't want to continue on this topic at all, so he changed the topic and said.

"You wait, you wait. Let me first understand the solution of the original text of "Sun Tzu's Algorithm". Well, chickens have two legs, and rabbits have four, and each of them lifts two, that is, only the rabbit's feet are left, and each rabbit has only two feet, so the number of rabbits is half of the class with feet left, and the number of chickens is the difference between the total number and the number of rabbits. It's as simple as that? ”

After Zuo Mingqiu ended the conversation with Qin Yong, he turned his head and fell into deep thought. And the result was that when he took it seriously and strictly sorted out the solution method that Qin Yong had just said, he suddenly realized that this solution was so simple, so he couldn't help but be surprised.

"Huh? It's that simple! ”

Qin Yong was also speechless at this time, otherwise, how complicated do you think it is?

In fact, what Qin Yong didn't know was that the concept of binary equations had not been put forward at all in this era, so as long as it involved this type of problem, it would be more difficult for ordinary problem makers. And a solution like this, although it is easy to understand, even many people who don't know so much about "clear calculation" can understand it, but it is difficult for them to understand the essence through the appearance, so as long as it is replaced by another topic, they are likely to be unable to understand it again.

"Okay, okay! If that's the case, you're done! Next, prepare the second question! ”

Zuo Mingqiu was actually still intoxicated with the solution to the problem just now, so he said casually after hearing Qin Yong's words.

"That's what happened! No wonder you did it! However, for this second question, I'm afraid you just don't have that good luck, right? ”

What Qin Yong and Zuo Mingqiu didn't know was that their conversation had puzzled Cheng Mubai, who was originally "shocked", so he suddenly returned to the arrogant arrogance just now! Because, he really believed what Qin Yong said just now, it was just that he inadvertently learned a trick from an ascetic monk, so he took the shit luck to solve the problem, but in the next second question, he didn't believe that Qin Yong still had such good luck, so there was still a chance to humiliate Qin Yong at that time.

"The second question is infinite! Infinity means that, from the beginning, each number is superimposed. Well, the number is up to 1,000, and in the end, whoever adds up the most and the result is not wrong is the winner of the competition! Well, it's half an hour now, so get ready to start! ”

Zuo Mingqiu finally said the meaning of the so-called "infinite question" in the second question, and the result was that when Qin Yong and Cheng Mubai heard his words, they were each a little surprised and surprised.

Qin Yong didn't need to say more, because he could easily hear the meaning of this topic, this was actually a series of equal differences, and it was a series of equal differences that he was not familiar with anymore. Because, this question, he has more than once given to Han Zude and even Liu Luoyao and other people to do, of course, there are still some changes in the details, because, at that time, he just asked Han Zude or Liu Luoyao to calculate within a hundred numbers, and now, Zuo Mingqiu is asking to add a thousand, which is indeed a lot of distance in terms of numbers, but in essence, it is the same, it is just a simple series of equal differences, so if he wants to solve it, That's easy, of course!