WSQ09 :)

So, hello againnnn, this is the problem for this week:

Create a function that receives as parameter the name of a file (this would be a string value like data.txt) and your function counts the number of lines and the number of characters in the file which it returns as a single value (but with two values). You will want to look at how to create/define and return a struct value from a function and how to open and read text files line by line.

So, how do I start???

First of all I include to new libraries :

1. fstream: To be able to read a file.
2. String: To use my get line function.

Then I declare my to variables «palabras and lineas» with a value of cero, then I make that my program will make a text file called texto.txt and then I put my if stream because we are going to put things on the program in other words «if = in, ofs= out».

Then I make to open my file with open and the name of my file, and what would happened if it fail and to do that while is open and its going to add one value to lineas and palabras.

I really don’t know how to explain it right because if you don’t know so much things you will never know what I am doing. So read your textbook and search information on internet about this problem, because it was a hard one.

See you laterrrrr.

Image from: https://clipartfest.com/categories/view/382647a840319bed4aa74f8b873e6b3c85a45d91/open-book-with-words-clipart.html

Well… :) not to easy

This was the problem:

Create a program that asks the user for 10 numbers  (floating point). Store those numbers in a list. Show to the user the total, average and standard deviation of those numbers.

This was a hard one, in this problem you need to convine everything you know about programming till now… so, not to easy.

The first thing that I do was doing an array of 10 digits and a cout to the user can type his 10 numbers, then I add a counter to now how many times I am going to put a number, and I make a operation that does that the numbers going to add each other, then I put that the average is equal to the sum divided the times I put a number, that was all in the first part.

The second part was to make a function that gives the standard deviation of the numbers I put (image 2), so I search on internet what to do to make that operation and I do the same as the average but a little different, it was a kind of pitágoras.

FactorialCalculator???

Well, I do no what is a factorial…. 😦

So in order to solve this problem I search on the most trusthly page on internet… Wikipedia, then I notice that a factorial is :

In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. For example,

5!=5×4×3×2×1=120. 

So the problem was this:

Create a program that asks the user for a non-negative integer (let’s call that number n) and display for them the value of n! (n factorial).

After showing them the answer, ask them if they would like to try another number (with a simple y/n response) and either ask again (for y) or quit the program and wish them a nice day (if they answered n).

And then to solve this problem I put my normal main and later I do my function that says that is going to start in 1 because cero isn’t important, so while c is less than 1 is going to sum 1 till reach that number that the user input, and then is going to return me the new value that is going to be a or the result :).

 

Image from: http://weknowmemes.com/2012/07/fuck-you-science/http://giphy.com/gifs/math-zach-galifianakis-the-hangover-5yLgoczEvFoE5LyoiZO

Fibonacci

So the problem was make to a program to do a fibonacci serie, so in order to do it I search on internet what a fibonacci serie is, and I found that is a serie that sum the two last number and converted in a new one like 2 + 3 = 5 then the next number will be 5 + 3 = 8 and like that until ends, so in order to not crash my computer I put in the main that the user write how many digits the serie would have :).

I made two programs that does the same thing, the only deference is that one uses functions and the other not.

In the program with the function I start writing my function starting on 0 that in case that the user type 0 or 1 is going to return me that number, and in case that the condition doesn’t be true then is going to return me the number – 2 + the number -1 making a serie, but that only is going to one time, so I use a do while to print all the values of the serie, then I use a for to make all the serie appears and thats all :).

And in the other program because the first to number there are not going to repeat I printed first with a cout and then I use my for to start and finish the serie depending the conditions.

And here is and image of jumping corgi in the snow :).

Have fun

Image from: http://www.artifexbalear.org/img/fibonac8g.jpg and  http://buzzsharer.com/wp-content/uploads/2015/06/jumping-corgi-winter.jpg

 

Quiz 6

In order to do this quiz I search the information in one site: http://www.cplusplus.com/reference/

We have to solve 5 problems; the first one was about correcting one program and run it, so I use two new libraries in order to solve the program and start testing and rewriting the program, and the final result was this:

The second problem was about writing a program to read in a character, an integer, and a float, and print out the values, then cast to other types; so that the interaction with the user is something like the following:

The next program was only about to the following pattern:

                        C
                      i   I
                    s       s
                  b           b
                e               e
              s                   s
            t s e b s i C i s b e s t

 

So the only thing that I have to do was print the letters in that order and that was all

For the fourth problem they ask us to write a program to read three ints and to print them in ascending order, so the most easy thing to do was using a lot of if and else to solve this problem:

And the last problem they ask us to write a program given the following rules, write a program to read a year (4 digit integer) and tell whether the given year is/was a leap year.

1. There were no leap years before 1752.
2. If the year divides by 400 then it is a leap year.
3. All other years that divide by 100 are not leap years.
4. All other years that divide by four are leap years.

So I use the main if as 1752 because if that wasn’t true then the year will be normal, the I use another if to say the conditions when the year will be leap, and finally I use an else in case the other conditions wasn’t true.

And that was all, see you next time :).

Image from: http://interactive.wttw.com/whereinchicago/quiz

 

Quiz 4

For this quiz we have to do this:

For this quiz I want you to (in class) create a program with two functions:

• int minimumThree(int x, int y, int z){ }  // returns the value that is smallest of x, y and z
• int sumSquares(int x, int y, int z) {}  // returns the value of the sum of squares of x, y, z

You should make a main routine that asks the user for three numbers and then calls your functions to which should *RETURN* the value and you print in the main program.

So I started writing my program normally, declaring my variables, naming my functions and to make the user to write the three numbers.

Then I make what my functions would do, that says in the first function that I am going to multiplied my variables with the function «pow» and in a parenthesis my variable «,» and the number I want to multiplied my variable, in this case 2 for square and the sum the operations.

And on my second function I put conditions with if and else to make the program know what number is bigger than the other and finally printed on the result.

Image from: http://www.quizfactor.com/quiz/general-knowledge/5

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