Current location - Training Enrollment Network - Mathematics courses - Ishikawa mathematics xueba
Ishikawa mathematics xueba
College entrance examination admission station, big station. There are hundreds of cars parked in the parking lot, each car represents a university, and the number of seats in each car represents the number of students enrolled in the province.

Some are minibuses, such as Nanjing Audit University, which has only nine seats. Some super buses, such as Sichuan University, have a seat of about 1000.

Provincial science candidates are ranked according to their grades and stand in a column. Everyone has a piece of paper with the names of their five schools (ABCDE) parallel volunteer.

Here we go. The entrance of the station is opened, the champion is advanced, and then the entrance is closed.

At this time, there is a parking lot in Nuoda, and the champion is the only one. Champion A volunteered to be Peking University, so he got on the bus of Peking University. At this time, the seat must be completely empty. Ok, please get in the car. When you get on the bus, the little note in your hand is invalid. Burn it. The BCDE volunteers behind you are useless.

The selection of the top scholar is over, and it's time for the second place. Similarly, only he entered the parking lot alone, and the florist still had to wait until he got up.

The second choice is Tsinghua. Get in the car and burn the note.

In order, for example, students from 100 entered the stadium, and A volunteered to go to Tsinghua to see the gate of Tsinghua CMB. Wow, all the seats of 80 students are full. Look at B volunteer right away: Peking University, the seats for 70 people are also full. Look at C Volunteer: China University of Science and Technology, OK, there are only six people in the seat of 50 people. Get on the bus and burn the note.

Now it's 1000 students' turn to enter the arena. A, China University of Science and Technology, looks full. B, Beihang University, C, Tongji University, D, Shanghai Finance and Economics are also full. At this time, it began to sweat. Look at e-volunteer: Sichuan University, look at the super bus gate of Sichuan University. Fortunately, there are 950 empty seats at 1000. Get in the car and burn the note.

Now it's the turn of 5000 students to enter the arena. A Sichuan University, b Southwestern University of Finance and Economics, c Southwest Jiaotong University, d University of Electronic Science and Technology of China, e Chongqing University. All five cars were full and began to cry. At first glance, there are two vacant seats next to Tianjin University. I tried to get on the bus by force, but I was stopped by the station security guard. The note was confiscated and driven out of the parking lot. Tragedy

Now it's time for the last student, the 26,000th student, to enter.

At this time, most of the carriages were full of people, and some carriages were still empty (because there were 1000 students who were unfortunately driven out of the station in front). Quickly took out the note and read: A Chuannong, B Ishikawa, C Beijing Industrial and Commercial University, D South China Agricultural University, oh, all of them are full. See E Volunteer: Tianjin University, there are two places left, thanks to the government, thanks to TV, thanks to grandpa, thanks to dad! Get in the car and leave.

The last story is not fiction. A doll of 20 12 went to Tianjin university like this.

Well, all the personnel have been handled. At the command of the stationmaster, hundreds of cars have all left the station (all colleges and universities invite tenders at the same time). The work of the provincial recruitment office has temporarily come to an end.

On the bus of Sichuan University: the conductor assigns seats (choose a major). The score is not high enough, I can't choose a good position (each school can fill in 6 professional volunteers), I don't agree with the conductor to arrange seats (I don't agree with the professional deployment), so I have to get off (retreat). So I went back to the passenger station in despair and stood with 1000 people who had just been driven out of the station. At this time, the parking lot was empty and crying.

The above example shows that five parallel volunteers often choose to agree to professional deployment, because you don't know which' black' car you will get on, and you will be in trouble when you meet them.

Ok, in the afternoon, 30 cars that were not full at first came back (starting to collect volunteers), 1 0,000 students were driven out of the station, and 500 students were driven off by the train conductor. Everyone lined up again and repeated the process all morning.

There are several rounds of collecting volunteers, and after three rounds, it is basically the same.

It says parallel volunteer. Let's talk about the previous volunteer order in this story.

There is no need to queue outside the station. More than 20 thousand people crowded into the parking lot together. Everyone lined up in front of the corresponding car according to their own notes. Note: a volunteer has only one school in order, so he can only queue up in front of a car.

After you line up according to your grades, get on the bus in turn until you are full. For example, one volunteer is Peking University, and the other volunteer is Sichuan University. Now you can only queue in front of the bus in Peking University. If you are the last one in the queue at Peking University, it is estimated that you may start sweating before you get on the bus.

Looking back, the students in front of the bus in Sichuan University scored lower than you, but you can only continue to wait in line at Peking University and watch others get on the bus at Sichuan University.

Similarly, students who didn't get on the bus were immediately kicked out of the station.

Then wait for the first round of cars that are not full to drive back to the station and start the second voluntary queue.

Postscript:

1 Why did you burn the note?

Once you get on the bus, subsequent volunteering is invalid. Suppose: A candidate wishes as follows: A Zhejiang University, B Tianjin University.

His score is estimated to be on the admission line of Zhejiang University, but there is no advantage in choosing a major, but this score has enough advantage to choose a good major in Tianjin University. So he only chose a few good majors in Zhejiang University, and at the same time chose not to agree with the professional deployment. The students' wishful thinking is: get on the bus of Zhejiang University first. If you can finish these good majors, if you can't, go back to Tianjin University to study your favorite major.

This is not right: once you get on the bus of Zhejiang University, the note will be burned, and all the schools filled in later will be invalid. At the same time, Zhejiang University and Tianjin University drive at the same time (the Provincial Admissions Office also sends all students' files to the corresponding universities). When the ticket sellers of Zhejiang University allocate seats, the ticket sellers of Tianjin University also allocate seats in their cars. So the student's wishful thinking fell through.

The above ideas do exist among students and parents. This happened in no 7 of 20 12. Parents and students are in a hurry, so call the admissions office of Zhejiang University immediately. Fortunately, the other party agreed to send a fax to the candidates to confirm the professional deployment, and finally solved the problem satisfactorily.

Everyone should pay attention to this problem. When you fill in your volunteers at the end of June, you'd better tell your classmates and friends.

Does the order of 2 ABCDE matter?

Very important. If the champion's wish is: A Sichuan University and B Peking University ... then he can only get on the bus of Sichuan University, but not Peking University. Unless, unless ... when he comes in, Sichuan University's car is full, and Peking University's car still has room. It is impossible. So: Although parallel volunteer is parallel, it should be in order.