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Type: Posts; User: kenryuakuma

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  1. Replies
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    So is it certain that by doing if(!a), the false...

    So is it certain that by doing if(!a), the false operator will be invoked?

    Besides this, Is it really ok to directly display the object value by doing something like this?


    myclass ob = new...
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    SO would you please tell me why and explain it to...

    SO would you please tell me why and explain it to me if possible. I would really appreciate it because this has been bugging me for a while.
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    Overload False Operator

    // Overload true.
    public static bool operator true(ThreeD op) {
    if((op.x != 0) || (op.y != 0) || (op.z != 0))
    return true; // at least one coordinate is non-zero
    else
    ...
  4. jagged arrays with multidimensional array

    Jagged arrays, namely arrays of arrays is basically similar to a regular dimensional array, which is not hard to understand. But here within a jagged array, there is another array, which is kind of a...
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    Thanks so much for helping. But one more...

    Thanks so much for helping. But one more question.

    I assume this is not possible, but I really wanna know if that really works.

    Is it possible to initialize and declare a 3d array like this:
    ...
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    3D array initializer list

    int [,] 2D = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}, {10, 11, 12}};

    for two dimensional array, when we look at the initializer list, we can clearly know that what kind of 2 dimensional array it is....
  7. As far as I know...Finding a prime needs to use...

    As far as I know...Finding a prime needs to use the if-statement with a comparison operator == with the divisor of remainder. That's, if(something % something == 0) is not prime. So there is must be...
  8. Help: How to write a prime number greater than one billion

    My question is like I am clueless. And how I can write such as program that the first prime number is greater than one billion?
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    I understand what you meant by the second...

    I understand what you meant by the second error...But I am just a bit confused about the first reason why you cannot use "fact_num". I do know global and local variables. Would you please list some...
  10. Replies
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    #include using namespace std; //...

    #include <iostream>
    using namespace std;

    // Function must be declared before being used.
    int triangle(int);

    int main(){
    // Declare a variable as fact_num that represent factorial number...
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    Abachler in you case, doesn't the code miss one...

    Abachler in you case, doesn't the code miss one curly brace?


    // The function body. That's the function definition
    int triangle(int fact_num){
    int n;
    int sum = 0;
    ...
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    Variable in the argument_list

    well...As far as I know, we could use any variable or names in the argument list or parameter providing that the data type and the function name are the same, right? However, this code won't work if...
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    Yes...calculate and get the factorial number and...

    Yes...calculate and get the factorial number and I meant the sum of the number.
  14. Replies
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    Curly brace question

    #include <iostream>

    int triangle(int);

    int main()
    {
    using namespace std;

    // Declare a variable as fact_num that represent factorial number
    int fact_num;
  15. What is needed to be qualified as a game designer

    Well...As far as I know, being a game designer, you must be creative and have a really broad range of imagination. Besides that, programming skills and graphic skills are something a gaming designer...
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    Awesome R.Stiltskin. U are the lifesaver...It is...

    Awesome R.Stiltskin. U are the lifesaver...It is pretty clear and really understandable. Then I could proceed the next chapter about function. Great help...I will save it as my reference.
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    Well...This is the book recommended by this...

    Well...This is the book recommended by this website, which is "C++ without fear" by Brian Overland. The language he used for writing this book is easy to understand and unlike those books out there...
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    Well...Grumpy this is not homework. This is just...

    Well...Grumpy this is not homework. This is just the exercise question from the book. I am learning this all by myself without anybody's help and without instructors. Before I take some programming...
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    The is_prime? Why does it have to be placed...

    The is_prime? Why does it have to be placed outside of the while loop? Is it possible to include it inside the while loop?

    So when you use bool type, you always have to assume things to be true...
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    Take my last post for an example...This is the...

    Take my last post for an example...This is the example done by the author of Brian Overland, who was a leader of programming project of Microsoft for 10 years and now a CEO.


    #include <iostream>...
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    Some logic with prime-numbers

    Well...Sorry to ask a really stupid or noob question. But I have been noticing that whenever we try to test the prime-ness, we always have to do things like Type A_Variable = true;, and this has to...
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    OK this is the code written by a C++...

    OK this is the code written by a C++ Professional, which is vastly different from any of the beginners including myself. But this is not the code what I want...If somebody could help me with the...
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    I mean because it is hard to learn...I do love it...

    I mean because it is hard to learn...I do love it but the main thing is if you don't understand something, and you keep asking for help, I am just afraid that everybody will get annoyed and feel...
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    Yes...It worked...I guess the input didn't work...

    Yes...It worked...I guess the input didn't work is because of the syntax error by putting the i++ inside the curly braces. Besides as for setting the variable to something and declare it, I did it,...
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    Optimize the prime-ness for testing

    #include <iostream>
    #include <math.h>

    using namespace std;

    int main()
    {
    // Declare four variables n, i, an, and is_prime respectively.
    int n; // Number to test for primeness...
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