udacity school of programming

[Algorithm Programming] It is difficult for a doctor to solve a primary school mathematics problem, but for a primary school mathematics problem. Yesterday, I learned from the science internet that this news, "Doctor of mathematics in Vietnam's primary school is difficult." It is reported that the question came from t

Python core programming 2 Chapter 3 after-school exercises, python after-school exercises 1. identifier. Why is variable name and variable type declaration not required in Python? Variables in Python do not need to be declared. Variable assignment is a process of variable declaration and definition. Each variable created in the memory contains the variable identi

Python core programming 2 Chapter 5 after-school exercises, python after-school exercises I have used online materials for my own exercises. The accuracy is not guaranteed. Thank you for your advice:-D. 5-1 integer: differences between a common python integer and a long integer Python has three types of integer types: Boolean, long, and standard. The difference b

Elementary school student's four arithmetic C/C ++ programming design ideas, four arithmetic Programming Design Question: 1. Avoid repeated questions;2. Customizable (quantity (print mode ));3. The following parameters can be controlled: whether there is multiplication and division, whether there are Parentheses, the range of values, whether there are negative

Software Engineering Section, the teacher through an example of what is the program, program and software differences, require us to write a short time a programming problem,The topic is to write 30 pupils arithmetic questions. Here is the source code: #include #include #include void demo (void) // Randomly generated arithmetic { int m,n,k;//random number M,n, Count m=rand ()%100;//generate random number n= Rand ()%100; k=rand ()%5; switch (

:") ifos.path.exists (fname):Print "The name is already exists!" Else: Break All=[] Print"\ n-Enter lines ('. ' by itself to quit) \ n" whileTrue:entry=raw_input (">") ifEntry = ='.': Break Else: All.append (entry) Fobj=open (fname,'W') Fobj.writelines (['%s%s'% (X,ls) forXinchAll ]) Fobj.close ()Print "done!" ifchoose=='2': Print 'You choose 2'fname=raw_input ("Please choose the file:") Fobj=ope

Mainly to find work, get started quickly, heard the Peking University Jade Bird and so on training institutions Reply content:1, if there is no interest in the IT industry, what institutions are not. 2, if not work hard, they applying, only look at the programmer pay high, yearning for it, encountered difficulties on the retreat. 3, high school education, English, academic qualifications are flawed, but as long as there is interest and effort are not

I, in the school period participated in the skill competition, the National University Student Mathematics Modelling competition. After-school work to do part-time courier. Familiar with computer hardware and software. Proficient in office software, have studied PS,CAD,VB program production, C language. Single-chip computer can write pattern running lights, digital display, electronic clock program. Summer

Question: there is a school information management system, which includes three aspects: teachers, students, and employees. A menu is used to perform operations on them. virtual functions are required. 1. Implementation requirements: 1) interface requirements: A menu is displayed as follows before the operation: ============================== School Information Management System ============================

How to Learn programming well-write to students at school In October, I had been busy working on a project. Every day, I was immersed in a lot of English documents. I kept experimenting and summing up, that is, I was still thinking about some solutions when I got home at night. The blog has been idle for a whole month, and the winter in Beijing has not found any mood to write. Now the project has come to an

[C/C ++ school] (22) Mysql database programming-c language database operations, mysql-C Makefile .SUFFIXES: .c .oCC=gccSRCS=mysql1.cOBJS=$(SRCS:.c=.o)EXEC=mysql1all: $(OBJS)$(CC) -o $(EXEC) $(OBJS) -lmysqlclient@echo '-------------ok--------------'.c.o:$(CC) -Wall -g -o $@ -c $ Mysql1.c # Include

;publicclassmain{ publicstaticvoidmain (String[]args) { scannerin=newscanner (system.in); stringnum=in.next ();int Result=0;while (result!=6174) { intleft=0; intright=0; char[]temp=creat (num); char[]l=newchar[4]; arrays.sort (temp); for (inti=3;i>=0;i--) { left=left*10+temp[i]-' 0 '; right=right*10+temp[3-i]-' 0 '; l[i]=temp[3-i] ;} if (left==right) { system.out.println (Newstring (L) + "-" +new String (temp) + "=0000"); return;} result=left-right; system.out.println (Newstring (L) + "-" +newst

to the height of the right sub-tree. The key values can be traversed from small to large using the middle order traversal (with iterators).Refer to Cplusplus for a more detailed description of the set container.The specific code is as follows:1#include 2#include Set>3 using namespacestd;4 5 intMain ()6 {7 intMyints[] = { $, at, the, the, - };8 Setint> MySet (myints, myints +5);//Use the ' Set ' member function ' Insert ' is also OK.9 Ten Setint>::iterator ITR =Myset.begin (); One

to fix, C + + words can only realize the import Java.math.BigInteger; Import Java.util.scanner;public class Copyofcopyofmain {public static void main (string[] args) {Scanner sc = new Scanner (S ystem.in); String S1;while (Sc.hasnext ()) {S1 = Sc.nextline (); String nums[]=s1.split ("+"); System.out.println (New BigInteger (Nums[1]). Subtract (new BigInteger (Nums[0]));}}}Half an hour all done, once through Copyright NOTICE: This article for Bo Master original article, without Bo Master permiss

The topics are as follows:small easy to have a circle center at the origin of the coordinates, small easy to know the radius of the circle square.Xiao Yi that the dots on the circle and the horizontal ordinate are integers are elegant, small easy now looking for an algorithm to calculate the number of elegant points, please help him. For example, if the square of the radius isThe elegant points are: (+/-3, +/-4), (+/-4, +/-3), (0, +/-5) (+/-5, 0), altogether 12 points. function Countgracepoint (

Python core programming Chapter 6 after-school questions self-made answers, python Chapter 6 6-6. string. create a string. substitute function of strip (): accepts a string and removes spaces between it and the end (if the string is used. * The strip () function makes this exercise meaningless) 1 'Take a string and remove all leading and trailing whitespace' 2 3 def newStrip(str): 4 'delete blanks aro

Topic:1. Avoid duplication of topics;2. Customizable (quantity (printing mode));3. The following parameters can be controlled: whether there is a multiplication method, whether there are brackets, the range of values, the addition and subtraction of negative numbers,Division has no number, whether it supports fractions (true score, false score 、。。。 ), whether to support decimals(exactly how many bits), each line interval in the print can be adjusted.Design ideas:1. Avoid duplication of topics: A

Title Description: Again to the harvest season, coincides with the small easy to go to cattle and cows in the orchard to play. New often said he knew every place in the orchard, small easy to believe, so he wanted to test cattle and cattle. There are n stacks of apples in the orchard, and the number of apples per heap is AI, and it is easy to know which stacks of x apples are left to right. Niuniu thought this was a big problem, so I hope you did, he answered. Input Description: First row one nu

: = Fp.readlines () for in data: Print(re.sub ( '\[email protected] (\w+.?) +"[email protected]', line). Rstrip ())Results:27. Extract the month, day, and year from the timestamp and then format "Month, day, year".Importref= Open ('Redata.txt','R') with open ('Path\redata2.txt','R') as Fp:data=Fp.readlines () forLineinchdata:m= Re.match ('^\w{3}\s (\w{3}) \s{1,2} (\d{1,2}) \s\d{2}:\d{2}:\d{2}\s (\d{4})', line)Print('%s,%s,%s'% (M.group (1), M.group (2), M.group (3)))Results:Pytho

In the past, I was in school, was a minister of sports, responsible for the college sports activities, has received school grants, national inspirational scholarship, sincere, prefer to communicate with people, work more practical.In the school, I learned the programming, many are self-taught oh. I am proficient in HTM