Good guy, you will be shocked if you don’t know it. The first question is a classic programmer thinking logic question, the kind used in company interviews.
"A rope with uneven thickness will take an hour to burn from start to finish. How to time half an hour and 15 minutes by burning this kind of rope? "[Note]
Hazel Ye said: "It's very simple in half an hour. Just light both ends of the rope and wait for it to burn out."
Skye Cheng felt that there should be encouraging education, so he praised: "It's really amazing."
Hazel Ye: "Mom, you really don't know how to praise others, you're so fake."
Skye Cheng: "I'm sorry."
Hazel Ye: "It doesn't matter."
Skye Cheng: "How about fifteen minutes?"
Hazel Ye said distressedly: "I originally wanted to light it at both ends and also find a point in the middle to light it, but the rope is uneven and I can't find the point in the middle..."
Skye Cheng gently reminded: "What if we have many such ropes?"
The child thought for a while, but still couldn't figure it out.
Skye Cheng said: "Think about it, if two ropes are lit at the same time, one is lit at both ends, and the other is lit at only one end. How long will it take for the two ropes to be burned out?"
Hazel Ye: "Half an hour."
Skye Cheng: "How long will it take to burn out the remaining rope with only one end lit?"
Hazel Ye replied: "Half an hour."
Skye Cheng was persuasive: "So what can we do with the unburnt rope now to shorten the time by half?"
The orange child said excitedly: "Light the other end of this rope!"
"Awesome!" Skye Cheng praised.
The kid who knows everything is really lovable, and at least 90% of the praise is sincere.
"How silly. Why do you need to burn the rope to time the clock? Isn't it troublesome?" Hazel Ye complained.
"Yes, this kind of question is used to embarrass people." Skye Cheng shared the same hatred, "And this is a matryoshka problem. Three ropes can count for 7.5 minutes, and so on..."
"My head is spinning..." Hazel Ye held his head.
Skye Cheng was amused. The orange kid was so cute.
"Then don't do your homework. Do you want to watch cartoons?" Skye Cheng encouraged the children who were addicted to learning to play.
"Is it really okay? Mom, come with me?" Hazel Ye's eyes suddenly lit up, but there was a hint of disbelief, as if it was the first time he heard such words from his mother.
"Of course." Skye Cheng nodded, but doubts arose in his heart. Could it be that ten years later, I will become the kind of "chicken baby" parent? Otherwise, why would this kid have to carefully ask "Is this okay" while watching a cartoon?
"Great! I want to watch "Detective Squad"." Ye Cheng'an said excitedly, finally feeling a little lively like a little girl.
Skye Cheng suppressed the confusion in his heart and took out his Pad to search. Hazel Ye had already jumped off the chair and asked doubtfully: "Mom, why don't you go downstairs?"
After saying that, the little girl reacted spontaneously: "I forgot that my mother doesn't remember, so just follow me and I will lead the way."
Skye Cheng followed Hazel Ye downstairs in the elevator. When he reached the first floor, he realized that there was a special small movie theater in his home.
Cheng shed tears of poverty.
Hazel Ye knew that her mother was unreliable, so she adjusted the equipment herself.
"Detective Squad" tells the story of a group of children with super high IQs who help the police solve crimes. Goldfinger is a talking alien creature, presumably in the form of a small jellyfish.
So boring, Skye Cheng yawned.
Suddenly, her arm was hugged by the little girl next to her. Skye Cheng glanced at the screen and saw that the bad guys were playing "hide and seek" with the protagonist group. The sinister old man smiled "Jie Jie Jie" while pressing the children step by step.
Skye Cheng couldn't help laughing.
Hazel Ye hid behind her mother's arm and did not dare to watch the plot. She asked, "Have the bad guys discovered them?"
Skye Cheng said: "No."
"What now?"
The bad guy on the screen: "Jie Jie Jie."
Skye Cheng suppressed a smile: "He looks so stupid, he will definitely not be able to find the protagonist group."
Hazel Ye then secretly opened one eye.
Finally, the bad guys left, and the protagonist group hid behind the door without being discovered.
Child Chengzi was speechless: "He is really stupid."
Skye Cheng: "Then if he wasn't stupid, wouldn't the protagonist group have been caught?"
Hazel Ye: "Yes, fortunately he is a fool."
Skye Cheng touched the little girl's head. Since the morning, Chengzi didn't feel like a six-year-old child to her, but now the kid Chengzi suddenly became cute and silly.
Thinking of this, Skye Cheng laughed again.
She seems like a villain, why does she expect children to become stupid?
The cartoon continued to play, and Skye Cheng cleared his mind while watching it. Suddenly, she found Hazel Ye crying.
Could it be that the cartoon was placed in some touching place? Skye Cheng quickly grabbed some tissues to help the child wipe his tears.
Sure enough, it's her and Zara Ye's child...
She couldn't see anything to cry about in this plot, so the little Cheng Zi could only follow her other mother.
After Hazel Ye finished crying, she secretly looked at Skye Cheng. She didn't want to be laughed at by her mother for being "crying".
Skye Cheng noticed the children's gaze and sighed nonchalantly: "They are so touching."
Hazel Ye: My acting skills are so bad.
After watching two or three episodes, 117 appeared outside the door and said, "Good evening, master and little master. Dinner is expected to start in half an hour. You can prepare your meal~"
"Okay." Skye Cheng responded and said to Chengzi, "You go and call Mommy? I'll go and wake up Nian Nian."
"No, I'll call my 'sister' myself." Ye Cheng'an shook his head, "I'll call her to wake up every year."
"Okay." Skye Cheng followed the good advice.
*
It was almost two hours later when Skye Cheng opened the piano room door. Zara Ye was not interrupted and continued to play the music. Skye Cheng began to regret coming in uninvited. She seemed to have disturbed the pianist.
Unlike Zara Ye who attended the concert in the video, formal occasions tend to have a "pretty" feel. But now she is very relaxed, with a hint of laziness, casual yet elegant.
Her touch was gentle, as if caressing the notes. But every sound is very stable, giving people a feeling of weightlessness.
Skye Cheng couldn't help but slow down his breathing, trying to reduce his sense of presence as much as possible.
After the song ended, Zara Ye quickly turned her attention to Skye Cheng. She smiled and said, "Why did you come to me all of a sudden?"
"We still have half an hour for dinner, so I'll let you know." Skye Cheng said softly, "You can practice the piano. I won't disturb you anymore. I'll wait for you outside."
"It's okay. I've met the target for today's task. Come over and stay with me." Zara Ye's fingertips fell on the keys and she paired herself with a cheerful BGM.
Skye Cheng suddenly seemed to understand the saying that "music can convey emotions."
"Okay." She seemed to be in a happy mood.
"How about I teach you how to play the piano?" Zara Ye asked.
Skye Cheng: ... You will regret saying this soon.
Zara Ye was puzzled: "Why do you look so reluctant every time I mention the words 'teach you how to play the piano'?"
Skye Cheng said: "Have I ever told you that I also practiced piano for a while when I was a child?"
"No." Zara Ye suddenly reacted, "Cheng Daguo! Why didn't you tell me anything before?"
"Maybe I feel embarrassed, because I really have no talent at all." Skye Cheng said honestly, "And I haven't practiced since I graduated from elementary school. I will definitely make a fool of myself in front of you."
"Come!" Zara Ye patted the place next to her.
"Oh, okay." Skye Cheng sat down about a punch away from Zara Ye, but the gap disappeared in the next second.
Because Miss Ye took the initiative to post it.
"I don't believe you have no talent at all. Orange is obviously very good at playing."
"Because she is also your child. If you simply inherit it from me, you will definitely collapse." Skye Cheng said.
Ten minutes later, Zara Ye knew what "rotten wood cannot be carved." Obviously every note is played accurately, but when put together it is so inconsistent that it makes people want to hit the wall.
As the saying goes, "laymen watch the fun, insiders watch the door." As a professional pianist, Zara Ye couldn't stand the player using such a simple and crude way to deal with emotional progression.
She demonstrated patiently again.
What the pianist played was the sound of spring water, and what Skye Cheng played was the sound of merit++.
"Cheng Daguo, thank you for not letting me teach you before, otherwise we wouldn't be where we are now."
"sorry."
"I lied to you. I don't dislike you."
After saying that, Zara Ye continued to play along the section of the tutorial.
The song ends.
Skye Cheng praised sincerely: "Your fingers are really nimble."
Zara Ye's hands half-hanging in the air paused for a moment. She looked at Skye Cheng with complicated emotions, but she could only find a trace of sincerity in the other's almost pure black eyes.
Skye Cheng's Iris Qies were a very deep black, almost blending into his pupils.
The eyes are like this every year.
Zara Ye caressed the cheek of the woman next to her. She could never understand Skye Cheng's eyes.
The fingertips linger on the lover's cheek, and finally stop on the lips.
She asked: "Do you want to K!ss me?"
Skye Cheng opened his mouth, wanting to say something.
Zara Ye then pinched his wife's face and said with a smile: "Don't say no to me yet, I'm afraid you will regret it later."
Skye Cheng swallowed the words that came to his lips.
"Let's go and eat."
"Okay." Skye Cheng responded.
*
Dinner is still three dishes and one soup.
The two children didn't have much appetite, and they both ate fruit in the afternoon, so they were full without even taking two bites.
Skye Cheng watched them eating slowly and involuntarily slowed down their eating speed.
She looked at Hazel Ye's curly hair and suddenly became curious. She asked Zara Ye: "Has your hair been straightened?"
Zara Ye didn't know why: "No."
Skye Cheng: "Who did Cheng Zi's self-rolling machine inherit from?"
Zara Ye: ...
Hazel Ye explained for her mother: "I went to the barber shop to get my hair permed last month. I sat motionless all afternoon."
Zara Ye said proudly: "Isn't the little curly hair very kawaii?"
Skye Cheng paused and didn't understand: "It's cute even without perming, but perming will damage the hair quality."
Zara Ye pursed her lips and said, "You said exactly the same thing right after the hair was permed. Tony at the barber shop would even say 'Baby is so cute' after finishing his hair."
Ruby Cheng looked at her mother and then at her mother, feeling that something was not right about the atmosphere, and said hurriedly: "I want to drink water every year."
not enough.
"Ah, I'm going to faint from thirst every year." After saying that, Ruby Cheng tilted his head and pretended to be dizzy, then secretly squinted his eyes to observe the movements of his mother and mommy.
When Zara Ye saw this, he said, "Ah, I'm also thirsty and faint."
In an instant, two of the four fell down.
Hazel Ye looked at her mother and sister, thinking that she should also join the formation. The orange child "fell down" and made a gesture with the number 3: "Mom, there are three cups in total."
Number of processes: ...
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