February 2019

C language to solve the problem of "chicken and rabbit in the same cage"

Author: Chuwen
Time: 2019-02-28
Classification: C/C++
comment

<trans data-src="# “鸡兔同笼”简介">#Introduction to "chicken and rabbit in the same cage"</trans> <trans data-src="> ## 主要考察 `for 循环` 的使用">># # Mainly investigate the use of 'for loop'</trans> <trans data-src="> ## 鸡兔同笼问题是一类中国古代著名的算术问题，最早可以追溯至南北朝时期的数学著作《孙子算经》。">># # The chicken rabbit cooping problem is a kind of famous arithmetic problem in ancient China, which can be traced back to the mathematical work Sun Tzu Suanjing in the Northern and Southern Dynasties.</trans> <trans data-src="事实上属于一次方程组问题。">In fact, it belongs to the problem of linear equations.</trans> <trans data-src="# C 代码：">#C code:</trans> <trans data-src="```c">```c</trans> <trans data-src="//">//</trans> <trans data-src="// Created by NowTime on 2019/2/28.">// Created by NowTime on 2019/2/28.</trans> <trans data-src="// 鸡兔同笼 解决程序">//Solution procedure of chicken and rabbit in the same cage</trans> <trans data-src="//">//</trans> <trans data-src="#include <stdio.h>">#include <stdio.h></trans> <trans data-src="#include <stdlib.h>">#include <stdlib.h></trans> <trans data-src="void main()">void main()</trans> <trans data-src="{">{</trans> <trans data-src="int heads, feet;">int heads, feet;</trans> <trans data-src="printf("鸡兔同笼问题解决程序\n");">Printf ("Solver for chicken and rabbit problems in the same cage  n");</trans> <trans data-src="printf("请务必输入的是正整数！\n");">Printf ("Please be sure to enter a positive integer!  N");</trans> <trans data-src="printf("否则将会卡住...你只能按 Ctrl+C 或 点击右上角 X 关闭本程序\n\n");">Printf ("Otherwise, it will get stuck... You can only press Ctrl+C or click the X in the upper right corner to close the program  n  n");</trans> <trans data-src="printf("请输入“鸡兔数量”：");">Printf ("Please enter" Number of chickens and rabbits ":");</trans> <trans data-src="scanf_s("%d", &heads);">scanf_s("%d", &heads);</trans> <trans data-src="printf("请输入“脚数量”：");">Printf ("Please enter" Number of feet ":");</trans> <trans data-src="scanf_s("%d", &feet);">scanf_s("%d", &feet);</trans> <trans data-src="int rabbit, chicken, count_feet;">int rabbit, chicken, count_feet;</trans> <trans data-src="for(chicken=1; chicken<=heads; chicken++){">for(chicken=1; chicken<=heads; chicken++){</trans> <trans data-src="rabbit = heads-chicken;//">rabbit = heads-chicken;//</trans> <trans data-src="鸡 = 头的数量-兔子数量">Chicken=number of heads - number of rabbits</trans> <trans data-src="count_feet = (chicken*2)+(rabbit*4);//">count_feet = (chicken*2)+(rabbit*4);//</trans> <trans data-src="脚的数量 = 鸡的数量*2条腿 +兔子的数量*4条腿">Number of feet=number of chickens * 2 legs+number of rabbits * 4 legs</trans> <trans data-src="//如果算出脚的数量 等于 输入脚的数量，则输出">//If the calculated number of feet is equal to the number of input feet, the output</trans> <trans data-src="if(count_feet == feet){">if(count_feet == feet){</trans> <trans data-src="printf("鸡有：%d只，兔子有：%d\n", chicken, rabbit);">Printf ("chicken:% d, rabbit:% d  n", chicken, rabbit);</trans> <trans data-src="break;//">break;//</trans> <trans data-src="退出循环">Exit loop</trans> <trans data-src="}">}</trans> <trans data-src="}">}</trans> <trans data-src="system("pause");//">system("pause");//</trans> <trans data-src="暂停，按任意键退出本程序，需要引入头文件  #include <stdlib.h>">Pause. Press any key to exit the program. You need to import the header file # include<stdlib. h></trans> <trans data-src="}">}</trans> <trans data-src="```">```</trans> <trans data-src="# 输出结果：">#Output results:</trans> <trans data-src="```">```</trans> <trans data-src="PS D:\C语言> ./">PS D:  C Language>/</trans> <trans data-src="鸡兔同笼解决程序.exe">Chicken and rabbit cage resolver.exe</trans> <trans data-src="鸡兔同笼问题解决程序">Solution procedure for chicken and rabbit in the same cage</trans> <trans data-src="请务必输入的是正整数！">Please be sure to enter a positive integer!</trans> <trans data-src="否则将会卡住...">Otherwise, it will get stuck</trans> <trans data-src="你只能按 Ctrl+C 或 点击右上角 X 关闭本程序">You can only press Ctrl+C or click the X in the upper right corner to close the program</trans> <trans data-src="请输入“鸡兔数量”：10">Please enter "Number of chickens and rabbits": 10</trans> <trans data-src="请输入“脚数量”：30">Please enter "Number of feet": 30</trans> <trans data-src="鸡有：5只，兔子有：5">There are 5 chickens and 5 rabbits</trans> <trans data-src="请按任意键继续. . .">Please press any key to continue</trans> <trans data-src="``">``</trans>

C output "multiplication formula table"

Author: Chuwen
Time: 2019-02-28
Classification: C/C++
comment

<trans data-src="# 简介">#Introduction</trans> <trans data-src="> ## 主要考察 `for 循环` 的使用">># # Mainly investigate the use of 'for loop'</trans> <trans data-src="# C 代码">#C code</trans> <trans data-src="```c">```c</trans> <trans data-src="#include <stdio.h>">#include <stdio.h></trans> <trans data-src="void main() {">void main() {</trans> <trans data-src="int i,ii;">int i,ii;</trans> <trans data-src="for(i=1; i<=9; i++){">for(i=1; i<=9; i++){</trans> <trans data-src="for (ii=1;  ii<=i ; ii++) {">for (ii=1;  ii<=i ; ii++) {</trans> <trans data-src="printf("%dx%d=%d\t", i, ii, i*ii);">printf("%dx%d=%d\t", i, ii, i*ii);</trans> <trans data-src="}">}</trans> <trans data-src="printf("\n");">printf("\n");</trans> <trans data-src="}">}</trans> <trans data-src="}">}</trans> <trans data-src="```">```</trans> <trans data-src="# 运行结果：">#Operation results:</trans> <trans data-src="```">```</trans> <trans data-src="D:\CLionProjects\hello\cmake-build-debug\hello.exe">D:\CLionProjects\hello\cmake-build-debug\hello.exe</trans> <trans data-src="1x1=1">1x1=1</trans> <trans data-src="2x1=2   2x2=4">2x1=2   2x2=4</trans> <trans data-src="3x1=3   3x2=6   3x3=9">3x1=3   3x2=6   3x3=9</trans> <trans data-src="4x1=4   4x2=8   4x3=12  4x4=16">4x1=4   4x2=8   4x3=12  4x4=16</trans> <trans data-src="5x1=5   5x2=10  5x3=15  5x4=20  5x5=25">5x1=5   5x2=10  5x3=15  5x4=20  5x5=25</trans> <trans data-src="6x1=6   6x2=12  6x3=18  6x4=24  6x5=30  6x6=36">6x1=6   6x2=12  6x3=18  6x4=24  6x5=30  6x6=36</trans> <trans data-src="7x1=7   7x2=14  7x3=21  7x4=28  7x5=35  7x6=42  7x7=49">7x1=7   7x2=14  7x3=21  7x4=28  7x5=35  7x6=42  7x7=49</trans> <trans data-src="8x1=8   8x2=16  8x3=24  8x4=32  8x5=40  8x6=48  8x7=56  8x8=64">8x1=8   8x2=16  8x3=24  8x4=32  8x5=40  8x6=48  8x7=56  8x8=64</trans> <trans data-src="9x1=9   9x2=18  9x3=27  9x4=36  9x5=45  9x6=54  9x7=63  9x8=72  9x9=81">9x1=9   9x2=18  9x3=27  9x4=36  9x5=45  9x6=54  9x7=63  9x8=72  9x9=81</trans> <trans data-src="Process finished with exit code 0">Process finished with exit code 0</trans> <trans data-src="```">```</trans>

PHP computing today is the first week of this semester

Author: Chuwen
Time: 2019-02-25
Classification: PHP
comment

<trans data-src="# 代码如下">#The code is as follows</trans> <trans data-src="> ## 2019-09-22 18:06 更新代码，解决今天是星期日，但直接显示下一周的情况">># # Update the code at 18:06 on September 22, 2019. It is solved that today is Sunday, but the situation of the next week is directly displayed</trans> <trans data-src="> ## 2019-09-05 09:23 更新代码，解决获取本周一时间错误的情况">># # 2019-09-05 09:23 Update the code to solve the problem of obtaining the wrong time of this Monday</trans> <trans data-src="> ## 2019-03-11 12:40 更新代码，由于上次仓促，未考虑周全，今天抽空更新一下">># # The code was updated at 12:40 on March 11, 2019. Due to the haste last time, it was not considered thoroughly, so I took time to update it today</trans> <trans data-src="```php">```php</trans> <trans data-src="/**">/**</trans> <trans data-src="* 计算当前是本学期的第几周">*Calculate the current week of the semester</trans> <trans data-src="* 默认是以 2019-02-25 为开学时间">*The default time is 2019-02-25</trans> <trans data-src="* @param int $start_timestamp  本学期开始时间戳，可以用 strtotime 函数获取，如 strtotime('2019-02-25')">*@ param int $start_timestamp The start time stamp of this semester can be obtained with the strtotime function, such as strtotime ('2019-02-25 ')</trans> <trans data-src="* @return int">* @return int</trans> <trans data-src="*/">*/</trans> <trans data-src="function now_week($start_timestamp=1551024000)">function now_week($start_timestamp=1551024000)</trans> <trans data-src="{">{</trans> <trans data-src="date_default_timezone_set('Asia/Shanghai');">date_default_timezone_set('Asia/Shanghai');</trans> <trans data-src="$this_week_monday = strtotime("this week Monday", $start_timestamp);//">$this_week_monday = strtotime("this week Monday", $start_timestamp);//</trans> <trans data-src="获取指定时间中，周一时间戳">Get the time stamp of Monday in the specified time</trans> <trans data-src="//使用 ceil 函数进行“向下取整”">//Use ceil function to "round down"</trans> <trans data-src="// ceil(3.4)    输出结果为 4">//The output result of ceil (3.4) is 4</trans> <trans data-src="// ceil(3.6)    输出结果为 4">//The output result of ceil (3.6) is 4</trans> <trans data-src="return ceil((time()-$this_week_monday)/604800);">return ceil((time()-$this_week_monday)/604800);</trans> <trans data-src="}">}</trans> <trans data-src="```">```</trans> <trans data-src="# 实际应用：">#Practical application:</trans> <trans data-src="!">!</trans> <trans data-src="[Snipaste_2019-03-11_12-45-55.png][1]">[Snipaste_2019-03-11_12-45-55.png][1]</trans> <trans data-src="[1]: ">[1]: </trans> <trans data-src="https://cdn.nowtime.cc/2019/03/11/2971307993.png">https://cdn.nowtime.cc/2019/03/11/2971307993.png</trans>

Dev C++Download&Install (Chinese Version) Tutorial

Author: Chuwen
Time: 2019-02-25
Classification: Windows , C/C++
comment

Download address

Third party download address: https://www.lanzous.com/i38npsh
Official download address: https://sourceforge.net/projects/orwelldevcpp/

Open and click Dwonload Button, and then wait for the download

TIM screenshot 20190225123351.png

1. Installation

Run the software you just downloaded, and then you will be asked to select the language. You should first select English

Then click OK, I Agree, Next, and Install all the way

-Read the rest-

Chrome Block XUR URL plug-in

Author: Chuwen
Time: 2019-02-18
Classification: Magic Skills
comment

February 2019

C language to solve the problem of "chicken and rabbit in the same cage"

C output "multiplication formula table"

PHP computing today is the first week of this semester

Dev C++Download&Install (Chinese Version) Tutorial

Download address

Third party download address: https://www.lanzous.com/i38npsh

Official download address: https://sourceforge.net/projects/orwelldevcpp/

1. Installation

Chrome Block XUR URL plug-in

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