How Do I loop Characters back into a string

Question

2.67/5 (3 votes)

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I am on a work committee for activities and have been give the task of making some Anagrams. I have made and app that takes a string loops out the spaces and makes AN anagram. Concurrently, the app made note of the point at which each character the space was taken out. I now need to loop back in the spaces into a list or an array at the point of the space? So I have it to work with some manual alteration, so I have completed my task but not to the standard, of the programme doing the work.

Example

The Queen of the Damned

array space position (5,11,14,18).

I ten have in a List an array

something like this

'eaeudhftnnmeedetqoh' and I wish to put a space in at point 5,11,14 and 18?

I have tried a 2d array and it works for the first space, but none after. I could hard code based on maybe 10 spaces but that would be sufficient for 99.9999999% of all situations, but it did break at that .0000001% times!

Posted 27-Oct-15 3:54am

MarcusCole6833

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Comments

BillWoodruff 27-Oct-15 10:47am

If you scramble the letters for the anagram, what is the point of inserting spaces at the same place in the scrambled letters they occur in the "plain text" ... to give a clue to the length of the plain text, and the length of each word within it ?

MarcusCole6833 10-Nov-15 12:50pm

cheers for your code here is how I used at least part of it

http://www.codeproject.com/Articles/1053368/Using-Lists-to-make-an-Anagram-Application

3 solutions

Solution 1

You can try using the StringBuilder class instead of an arry.

Posted 27-Oct-15 4:05am

Foothill

Comments

Maciej Los 27-Oct-15 11:28am

5ed!

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Maciej Los · Accepted Answer · 2015-10-27T04:26:00

Solution 2

As to advice in the solution 1 by Foothill[^]...

C#

string s = "eaeudhftnnmeedetqoh";
int[] spaces = new int[]{5,11,14,18};
StringBuilder sb = new StringBuilder();
int j = 0;
for(int i=0; i<s.Length; i++)
{
    if (i == spaces[j])
    {
        sb.Append(" " + s[i]) ;
        j+=1;
    }
    else
    {
        sb.Append(s[i]);
    }
}
Console.WriteLine(sb.ToString());

Posted 27-Oct-15 4:26am

Maciej Los

Comments

Sergey Alexandrovich Kryukov 27-Oct-15 10:35am

5ed.
—SA

Maciej Los 27-Oct-15 11:13am

Thank you, Sergey.

BillWoodruff 27-Oct-15 12:09pm

Hi Maciej, Are you aware that the output of your code is:

eaeud hftnnm eed etqo h

I'm not saying that's wrong :) I think that what the OP actually wants here is not absolutely clear.

My guess is they want the scrambled string broken into chunks whose size match the size of the words in the original string. I've asked them to clarify this.

cheers, Bill

Maciej Los 27-Oct-15 12:14pm

I didn't test it. Even if my code is wrong, this is an area where OP can change it to his needs. Thank you, Bill.

BillWoodruff 27-Oct-15 12:22pm

I do not believe this statement reflects the intelligence, values, and ability, of one of CP QA's most helpful, and prolific, contributors ... you !

Maciej Los 27-Oct-15 15:19pm

Wow! Thank you very much for such nice words, Bill.

MarcusCole6833 27-Oct-15 13:40pm

As to Clarify I wanted the Anagram to keep the spacing of the original word; so If I pit the title 'The Great Escape' it would come back as text in this format 'xxx xxxxx xxxxxx'. i apologize for the lack of clarity, and Bill TY for your piece of LINQ!

Maciej Los 27-Oct-15 15:20pm

OK, Marcus. Thank you for clarification.
Cheers, Maciej

MarcusCole6833 27-Oct-15 15:24pm

No Probs!

MarcusCole6833 10-Nov-15 12:51pm

ty on the input this is how I used the code from the answer

http://www.codeproject.com/Articles/1053368/Using-Lists-to-make-an-Anagram-Application

BillWoodruff · Accepted Answer · 2015-10-27T05:38:00

Solution 3

Assuming you are satisfied with the randomized string created by your code (are you using Fisher-Yates ?), then:

C#

// requires Linq
public string InsertSpaces(string source, params int[] insertats)
{
    // make sure inserts are in ascending order
    var sortedparams = insertats.ToList<int>().OrderBy(i => i);
    
    StringBuilder sb = new StringBuilder(source);

    foreach (var i in sortedparams) sb.Insert(i - 2, space);

    return sb.ToString();
}

// sample usage:

public const char space = ' ';

string anagram = "eaeudhftnnmeedetqoh"

string anagramwithspaces = InsertSpaces(anagram, 5,11,14,18);
 
// result: eae udhft nn mee detqoh

Posted 27-Oct-15 5:38am

BillWoodruff

Updated 27-Oct-15 6:02am

v3

Comments

Maciej Los 27-Oct-15 12:14pm

5ed!

BillWoodruff 27-Oct-15 12:24pm

Hi Maciej, thanks for the up-vote !

I don't have your e-mail, so I'll stick this here.

I'd appreciate it if you leave a brief comment on any post of mine you edit that lets me know what you changed; I have been looking at the versions of the post, but your edit (version 2) is not present. Since I test any code I post, I'm always curious to see if there's some aspect of the CP code-editor's little bugs that I haven't yet become aware of.

Or, if it's not too much trouble, you could bold what you changed ?

I value your contributions, and welcome your (and anyone else who has your intelligence) edits !

thanks, Bill

Maciej Los 27-Oct-15 15:28pm

You're very welcome. It's hard to "bold" changes. Imagine, when you type (or paste) a statement like: List<int>, an editor (input window, control) adds extra </int> at the end of code block. Seems, that input window tries to parse html tags. I'll promise to explain next time what i had to change.