--Originally published at The Clueless Programmer

So what this wsq asked us, was to do a program that got the factorial of a number, which to people that don´t know (like me before I looked it up on Wikipedia) is the product of all the numbers that precede a number. Example, the factorial of 4 is 24 (4*3*2*1). And then it asked us to continually asked the user if he wanted to get the factorial of another number until he said no. When I first got into this assignment I didn´t know what to do or where to start because I hadn´t understood the whole concept yet, but I got some help from this webpage and from the blogpost of one of my classmates, and then I knew what to do.

So here´s the program:

So as you can see first I name the variables and explain the program and then I start the recursion function, I started it after I introduced the program because I don´t want that to keep popping of over and over. Then I set my control variable to 1, it is important to do it here so that the value resets everytime the program starts again.

After this I create an “if” in which, if the value is negative or zero, the program says that has no factorial and sets the repetitive contition to “y”, so the program starts over. Then I start another loop that multiplies a variable equaled to the number with the variable equaled to one, later substracting one from the first variable while this is bigger than than one.

The program is basically over at this point, the only thing left would be to print the value to the user and then ask him if he wants to do it again. The answer to this question

Continue reading "WSQ – 06, Factorial calculator" →

--Originally published at The Clueless Programmer

Okay so this assignment really tested me out, specially because I didn´t know anything about generating a random number or how to do it, but by reading the book (and asking a lot of questions) I figures it out. Let´s go.

The tasks asks us to make a program that thinks of a random number and then starts asking us to guess the number, telling us if we are lower or higher, once we guess it, it gets us out.

#include <iostream>
#include <stdlib.h>//Library for the rand command
using namespace std;
int main()
{
int n1, n2;
char cond=’n’;
srand(time(NULL));//This makes the number always random
n1=rand()%101;//I use the 101 because it takes every number until the number you write
do
{
cout<<“Try to guess the number I´m thinking of”<<endl;
cin>>n2;
if (n2>n1)
{
cout<<“Your number is higher than the one I´m thinking of”<<endl;
}
else if(n2<n1)
{
cout<<“Your number is lower than the one I´m thinking of”<<endl;
}
else
{
cout<<“Congrats! You guessed it”<<endl;
cond=’s’;
}
} while(cond==’n’);
}

So okay you are confused, you see a lot of tricky stuff right? But don´t worry it will make sense, eventually.

First what you want to do is include the library that has the command for the random number generator. Then after you name your variables, you write that srand stuff, which basically what it does is change the random command so that everytime you enter the number is different. Then you write the rand command, I write 101 instead of 100 because it takes the number before the oe you write, so 0-100. Then we enter the do-while, which basically means it ill do something at first and then continue to do it while the condition isn´t fulfilled. I do the ifs and else in which I close out

Continue reading "Third assignment – Pick a number" →

--Originally published at The Clueless Programmer

Here I go again, clueless programmer on the go hitting you up with another awesome blog post. That´s what I would say if I indeed made awesome blog posts. Anyway, let´s get right to it.

This time the assignment was more difficult than the last one, but still, I managed. This was the first program that asked us to use an “if” conditional (a conditional that only applies if you trigger the if).

#include <iostream>
using namespace std;
int main()
{
int n1, n2;
cout<<“Write the temperature in Fahrenheit degrees: “;
cin>>n1;
n2=(5*(n1-32))/9;
cout<<n1<<” Fahrenheit degrees convert to “<<n2<<” Celsius degrees”<<endl;
if (n2>=100)
{
cout<<“Water boils at this temperature”<<endl;
}
else
{
cout<<“Water doesn´t boil at this temperature”<<endl;
}
}

There you have the program!

Basically what I do is ask you for a temperature in Fahrenheit degrees, which I save on a variable, then on another variable I save that Fahrenheit temperature converted into a Celsius one. Then I put the ifs down, if the conversion is bigger or the same as a hundred, water boils at that temperature, if it is lower, it doesn´t.

Simple stuff right? (I can bet karma will hit me up with a really difficult assignment really soon, but I´ll enjoy my time until then). So yeah hope you learned something, as always thanks for reading me and hang in there, program on.

 

--Originally published at The Clueless Programmer

I see you came back for more of my programming magic, welcome. Ok what I have for you today is certainly a more difficult program than the “Hello World” one, but was still fairly easy to program.

Basically the assignment asked us to make a program that asks the user to input two numbers, and the sums, substracts, multiplies and divides them giving us all the different results. This is an example of the program with two numbers I chose randomly:

#include <iostream>
using namespace std;
int main()
{
int num1, num2, res;
cout<<“Please enter a number “<<endl;
cin>>num1;
cout<<“The number you entered is “<<num1<<endl;
cout<<“Please enter a second number “<<endl;
cin>>num2;
cout<<“The number you entered is “<<num2<<endl;
res=num1+num2;
cout<<“The sum of “<<num1<<” + “<<num2<<” is “<<res<<endl;
res=num1-num2;
cout<<“The difference of “<<num1<<” – “<<num2<<” is “<<res<<endl;
res=num1*num2;
cout<<“The product of “<<num1<<” * “<<num2<<” is “<<res<<endl;
res=num1/num2;
cout<<“The integer based division of “<<num1<<” divided by “<<num2<<” is “<<res<<endl;
res=num1%num2;
cout<<“The remainder integer of “<<num1<<” divided by “<<num2<<” is “<<res<<endl;
}

As you can see, the program asks you to give it two numbers and then, because it is super smart, does the operations for you, so if one day you don´t feel like doing simple math then all you have to do is turn on your computer and open this program! Way cooler than a calculator am I right?

I basically named the variables first, then asked the user to input two numbers, the parts where I printed a lot of useless information was just to try out some output stuff, they are not really necessary. Then you just do the operations, saving them on the variable, and print them, easy. I was able to program this easily because of the previous knowledge I had acquired on a course I took

Continue reading "First assignment" →