Chapter 475: Permutations and Combinations

Xu Shuangchuan picked up the phone, the cold metal shell was against her palm, and she squeezed it hard, allowing herself to adapt to the coldness. Pen % fun % Pavilion www.biquge.info

The screen was all black, Xu Shuangchuan knew what she was about to do, she definitely didn't want to look at the time, and she definitely didn't appreciate the scenery photos that existed, so she was not as calm as when she used to wipe the table and picked up Chen Chi's mobile phone.

Xu Shuangchuan has never had the habit of looking at Chen Chi's mobile phone without permission, nor has she ever had the habit of peeping into other people's letters and diaries, and she has not even had the habit of peeking at her desk's homework.

Her heart was flustered.

Chen Chi baths are usually fast. Xu Shuangchuan often laughed at him, and he only turned a circle of 360 degrees under the head of the lotus shower, and he washed it. Of course, this statement is that she is exaggerating, and the real time is between seven and eight minutes, and it will definitely not exceed ten minutes. And before she picked up her phone, she spent too much time in the living room listening to the sound of the water heater and the shower head.

Chen Chi's phone is already in the standby lock screen state.

I don't know if it's lucky or unlucky, because Xu Shuangchuan never looked at Chen Chi's mobile phone, and after many years, she had no impression of his screensaver password.

The first time, she entered the wrong number.

The second time, she tried her birthday, but it was still wrong.

The third time, she reversed her birthday and tried again, but it was still wrong.

Xu Shuang lowered her head and stood by the desk, trying Chen Chi's own and in-laws' birthdays, but she couldn't open it.

"Frost, are you still watching TV? don't watch me turn it off. Chen Chi's voice suddenly sounded in the living room.

Xu Shuang was shocked and immediately put down the phone.

"Shut it down. She blurted out, looked at her phone, dialed it again very quickly, made it look more like it was in its original position, then pulled open the desk drawer, flipped through it, and said loudly, "Where did you put the hair dryer? Why can't I find it?"

Chen Chi happened to appear at the door of the small study.

Xu Shuangxia's heart beat quickly, took out a pen case in the drawer, and put it on the table seemingly casually, but in fact, he deliberately pushed the mobile phone in front of Chen Chi's eyes, so that even if the mobile phone was a little abnormal, it was reasonable. She bent down and strained into the drawer.

"Not here. Chen Chi walked in and said with a smile, "Don't you usually collect it?"

"I just forgot. Xu Shuang didn't look up, turned around and walked to the cupboard, and continued to flip through.

The corners of the dark blue nightgown swept into her sight, and Xu Shuang lowered her eyes and squatted down to inspect the lower partition.

"Have you seen the bedroom?" Chen Chi reached out and pulled up the tips of Xu Shuang's hair, and touched the back of her neck with his palm, "It's so trendy." ”

Xu Shuang was relieved for a moment, and then he felt the warmth of his palm slowly seeping into his skin, and a trace of numbness and itching skewered from the bottom of his heart. She paused, silent.

"Ding-dong. The message on the phone sounded.

Chen Chi withdrew his hand, and Xu Shuang's hair fell down again, and the ends of the hair covered the collar of the already wet nightdress, which became more and more cool. She turned her head to look, Chen Chi was holding the mobile phone, and her fingers were nimbly swiping.

She wasn't sure if the residual warmth of the metal shell of the mobile phone that had been covered by her for a long time could still be felt by Chen Chi.

From Xu Shuangchuan's point of view, Chen Chi's wet black hair roots, straight nose bridge, and pursed lips all exuded the clarity of the bath, and he seemed to know nothing.

Xu Shuang looked at it twice, her heart was very painful, not for herself, but for Chen Chi, she got up and walked out: "I'll take a look in the bedroom." ”

"Oh, good. ”

Behind him, Chen Chi dragged away the chair and sat down.

Xu Shuangjiang sat on the edge of the bed, raised her fingers to comb into her hair, the room was quiet, the panic that she was in a hurry to hide just now had completely subsided, she combed it over and over again in a daze, wrapping the long hair that fell between her fingers, and applying her hands full of wetness.

Xu Shuangchuan never believed that she could be so quick.

What a one-stop acting, but it's Chen Chi who is right.

Her guilt was so heavy that she thought that as long as Chen Chi came in to accompany her to find the hair dryer, she would no longer pay attention to his phone and leave everything to time to eliminate, if there was something that needed to be eliminated.

Chen Chi in the small study lowered his head and lost the conversation in his mobile phone. The computer was turned on, and his elbow accidentally touched the keyboard, touching the screensaver status of the computer, and with a "whew", a password dialog box popped up in the middle of the deep-sea tropical fish and water bubbles on the screen, and he ignored it, and focused on replying to the messages on the phone.

He didn't know that this quarter of an hour was crossing the critical realm of trust.

A quarter of an hour later, Xu Shuangchuan lifted the quilt, turned off the light and closed his eyes and lay down, his half-dry hair pressed directly on the pillow. She didn't prepare the courseware as planned, didn't go to the laundry, didn't even check the doors and windows before going to bed, as she used to.

For a person who has a rigorous habit of doing things, how painful it is to break the plan, and only when he is in a state of collapse will he let it go.

Chen Chi got up the next morning, opened the closet, took out a shirt, opened the drawer, reached out and took a pair of clean socks, and when he was about to close the drawer, he looked at it again, and raised his voice: "Frost, frost." ”

Xu Shuangchuan was in the bathroom, and put a piece of body lotion on his cheek in the mirror, which had not yet been wiped evenly, and when he heard Chen Chi shouting like this, he frowned slightly, and walked to the bedroom door: "What's wrong?"

"Your hairdryer is here. Chen Chi pointed to the drawer and said happily.

Xu Shuang glanced at it: "Hmm." ”

"Remember, you put it here, don't forget it next time. Chen Chi jumped on his feet and put on his socks, and praised casually, "Now I am willing to use a hair dryer, and I have made progress." ”

Xu Shuang turned back to the bathroom and rubbed her face without saying a word.

She became busier and busier, working overtime until she came home after 8 p.m., which became almost routine.

"Sister Xu, can you read these two forms?"

Xu Shuangchuan stopped his pen and raised his head, Fang Yingying walked into the office and smiled at Xu Shuangchuan and Gu Yiwei, who were sitting opposite the table.

Gu Yiwei glanced at the sound and continued to take the documents on the table to read carefully.

Xu Shuangchuan took Fang Yingying's form and said with a smile: "It's good, that's all." ”

"Sister Xu, do you want to eat something? I have mung bean cake there. ”

"I don't, thank you. Xu Shuangchuan shook his head and said.

Fang Yingying looked at Gu Yiwei.

"I don't need to. Gu Yiwei said.

Xu Shuangying couldn't see through these two people, they were exactly the same as ordinary relationships on the face, Gu Yiwei didn't have any special care for Fang Yingying at work, he had anything to do, he could find whoever he wanted, it seemed that Fang Yingying had never been used, and Fang Yingying, watering the flowers and plants outside, sometimes standing at the door of Gu Erqin's office with a small shower and asking with a smile, if you wanted to water the small potted plants inside, Xu Shuangchuan was also fortunate to be asked by Fang Yingying enthusiastically, but Xu Shuangchuan never seemed to have seen Fang Yingying enter Gu Yiwei's office during the day, she secretly admired that the two of them avoided suspicion so well in public。

But Xu Shuangchuan is also a little troubled, for example, she works overtime, and she has seen Gu Yiwei and Fang Yingying also there several times. Gu Yiwei is the boss, and the time of entering the company is uncertain, if he is outside during the day, he will definitely come to the company in the evening to take a look and deal with some things. Xu Shuangchuan found that as long as Gu Yiwei was still in the office after work hours, Fang Yingying would also stay. If there are several people working overtime, it doesn't show anything, Xu Shuangchuan feels most embarrassed by today's situation, there are only three left in the company, Gu Yiwei asked her to talk about the progress of the tissue culture center, and after talking for a quarter of an hour, Fang Yingying came in.

Fang Yingying was very interesting, no one ate mung bean cake, she smiled and went out.

Xu Shuangchuan was more interesting, and after discussing the matter with Gu Yiwei, he turned off the computer and picked up his bag.

"Mr. Gu, I'm leaving. Xu Shuangchuan walked to the general manager's office and said hello.

Gu Yiwei raised his head, paused, and still said the same old sentence: "Slow down on the road." ”

Xu Shuangchuan smiled, walked outside, and shook his hand: "Yingying, goodbye." ”

Out of the company's door, only the sound of her high heels could be heard in the aisle, echoing lonely. It was only seven o'clock, and she didn't want to go home yet.

She prefers to be busy in the office or in the nursery so that she doesn't have time to think about the permutations of numbers.

How many possibilities are there for a four-digit lock screen password, and each digit can be an integer from zero to nine?

She will solve problems.

Just maybe slower.