A string is a sequence of characters. It is commonly used to represent text or a sequence of bytes. Use this tag along with the appropriate programming language being used.
5
votes
2answers
97 views
Function that shortens a String based on a term/abbreviation mapping
I have a function that takes a description as a String and returns a shortened version of the description.
The shortening is done by checking if a word matches the ...
3
votes
2answers
26 views
Extracting and normalizing URLs in an HTML document
I have written code to get all urls on a webpage & put them in a set, and would like tips on simple changes I can make to increase its performance.
...
5
votes
5answers
367 views
Shorthand expansion exercise from K & R C (ex 3-3)
I have written a function to take some shorthand input and expand it into the full form, for example a-z0-9 becomes abcd...789. I added protection from buffer overflow exploits (knocks on wood), and ...
-5
votes
0answers
32 views
I want to see why my program keeps running the first line of code [on hold]
When I compile my code in the de-buggger its fine but my issue the user is not able too move past the first console.writeline statements
...
-4
votes
0answers
16 views
Checking for sorted elements [closed]
I have implemented of getting the string as integer input. I want to check whether they are sorted, if so print true, otherwise, print false
...
-4
votes
0answers
14 views
Testing if an integer has been sorted [closed]
This function gets the string as integer input and returns true if it's sorted otherwise it'll return false.
...
-6
votes
0answers
32 views
Picking a Server randomly out of a server list C Code [closed]
can someone help in writing a better code to pick a random server out of a list of servers from an Array, for some reason, when i run this it always picks the 1st or second server only, it is really ...
25
votes
4answers
1k views
Determining if two words are anagrams
I was given a this problem at a technical interview and failed miserably in the time given. Afterwards, I sat down and worked out what I think is a good solution. The task was actually to build an ...
4
votes
3answers
199 views
Get initials from full name
Going through a book, I encountered the following assignment:
Write an application that asks for the user’s first, middle, and last names and
replies with the user’s initials.
Are there any ...
1
vote
2answers
53 views
Compensating for typos in strings by removing spaces and making uppercase for comparison
I'm working with a database that has typos in the values. To compensate for them I've made a function called standardizer() which removes spaces and converts all ...
5
votes
3answers
614 views
Function that adds two integer strings
I wrote this method that adds two integers in the form of strings together. This way I can add large integers without overflowing.
How efficient is the code that I wrote? I am by no means a great ...
1
vote
2answers
42 views
Library class Project
I am creating a class project which involves two classes: Library and Book. I would like a general review on the code.
...
2
votes
0answers
20 views
Pass the password back
This code simply receives a very basic 'password' (numbers, letters, nothing fancy). After you press enter, it will display it back. The only special key I'm handling is backspace (code ...
1
vote
1answer
37 views
Generate all possible permutations from a string with character repetitions
I want to know if my code is good, with reasonable efficiency, and if it is possible to improve my code and how. What would you suggest?
...
4
votes
1answer
36 views
0
votes
5answers
107 views
std::string implementation
Following is my attempt for a simple implementation for the std string class. Please review my changes and share your feedback.
string.h
...
7
votes
5answers
353 views
CodeEval Challenge: Remove specified characters from a string
Question
Write a program which removes specific characters from a string.
The first argument is a path to a file. The file contains the source
strings and the characters that need to be ...
6
votes
2answers
65 views
String sequence in Haskell
Given a string sequence and a string, the function should output the next string of that sequence.
For example, for sequence "abc":
...
4
votes
1answer
67 views
Matching strings
Basically I solved this question on one of the competitive websites:
Given the total n number of String on first input, n input follows:
We have to find such pairs of string (i,j) such that ...
-3
votes
1answer
50 views
Compare counts of string occurrences
Knowing my solution ...
Return True if the given string contains an appearance of "xyz" where
the ...
3
votes
0answers
45 views
String sequence in ES6
Given an unique string that represents a sequence of characters, the class should implement three methods (getNextChar, getNextString and the genSequence generator).
How it works
We give a sequence ...
3
votes
1answer
56 views
Checking for uniqueness within a string
I saw this interview question in the book Cracking the Coding Interview:
Implement an algorithm to determine if a string has all unique characters
The authors solution uses bit-shifting for a ...
1
vote
3answers
173 views
Confirming existence of lapindromes
The following description is taken from CodeChef.com's Lapindrome problem.
Lapindrome is defined as a string which when split in the middle, gives two halves having the same characters and same ...
6
votes
4answers
344 views
Conversion of hexadecimal string to string
Given a C# string which is a set of hexadecimal numbers such as:
string HexString = "202048656c6c6f20576f726c64313233212020";
Where those hexadecimal numbers ...
0
votes
1answer
85 views
Immutable C++ String class
I have project where I will need to create lots of immutable strings. If I am using std::string, which has huge overhead - about 60-70% against ...
1
vote
1answer
60 views
11
votes
2answers
133 views
How to speak Brainfuck: for beginners
The following code transforms multi-line input into the the Brainfuck equivalent. One line turns into one program. The resulting programs are split by newlines for readability.
Brainf.cpp
...
5
votes
2answers
227 views
Alien Name Generator (using blocks of consonants and vowels)
This is my first script in Python, and I am looking for tips and constructive criticism about code style, whether there are more efficient ways of doing things, etc. (not as interested in tips about ...
4
votes
2answers
256 views
Abbreviation of names
I have a few confusions about writing Java code, and I need some clarifications:
...
-2
votes
2answers
46 views
Manipulating strings and character positions
Write a program that manipulates two strings. The program inputs two
strings (string1 and string2) and a character (...
10
votes
2answers
202 views
You need to diversify your strings
Challenge:
Write a program which prints all the permutations of a string in alphabetical order.
Specifications:
Your program should accept a file as its first argument.
The file contains ...
7
votes
2answers
170 views
Complete “Is it simple or is it hard?” challenge from Code Golf
Having written C# for half a year now, I decided to take on a fairly complex first challenge for C++: the Is it simple or it is hard? challenge from Code Golf Stack Exchange. (This is only practice, ...
8
votes
2answers
345 views
These words are so dirty
Challenge:
Write a program that will clean up the words from extra numbers and symbols.
Specifications:
The first argument is a path to a file.
Each line includes a test case with a list ...
6
votes
1answer
37 views
Sentence maker with thesaurus
I'm teaching myself Ruby by rewriting PHP solutions, such as this one. The program should match words in a sentence with a dictionary of synonyms and then make combinations with them.
...
6
votes
1answer
51 views
String replacement using dictionaries
I've always been bothered by the fact that there weren't any built-in functions that could replace multiple substrings of a string in Python, so I created this function. Essentially, you supply it ...
5
votes
1answer
85 views
Reading a pointer to a string
What it is doing basically is reading an std::string from a given pointer.
I was told that using a StringBuilder as I am is not ...
2
votes
1answer
37 views
Implementing SQL function STR
I am writing a piece of code in c# that mimics the behaviour of following SQL function STR in the following case:
...
0
votes
2answers
43 views
Function that check's file type based on certain keywords
I have a function that breaks up a source file and checks each token against a keyword list to determine whether its a particular file type. How can I improve this function? ...
0
votes
3answers
178 views
Function to erase a character in a string
void chrrem (char arr[], size_t len, size_t pos)
{
memmove(arr + pos, arr + (pos + 1), (len - pos) + 1);
}
It is supposed to be just fast.
Erases the ...
6
votes
1answer
248 views
Checking if two strings are anagrams
I have a piece of code that checks if two strings are anagrams. I would like this to be as pythonic as possible.
...
2
votes
1answer
34 views
Pattern search in a text
Is this a practical algorithm for pattern matching in a text? Assume text can be very large, is there anything I can do to speed up the performance?
...
3
votes
2answers
44 views
Slurp JSON trading cards to valid HTML
For Cardshifter TCG we pretty frequently update our list of available cards, so I tried to think of a way to make it easy to transform an exported JSON file containing all the cards into a decent HTML ...
7
votes
2answers
123 views
Finding longest substring containing k distinct characters
Below is my method to find the longest substring having k distinct characters.
I have used Set to keep track of distinct ...
6
votes
3answers
124 views
Capitalised initials of username
Given a list of words, this program outputs the starting letters of the words capitalized.
I was reviewing this question that solves the same task, but over time so many changes accumulated, that I ...
5
votes
2answers
148 views
Get initials from name input by user
This was an exercise from cs50. The goal was to get the initials in upper letter of a name that we got from user. So for "barack obama" we would get "BO", input like "abc" should output "A" and so on. ...
5
votes
2answers
45 views
The Geppy String: Regex vs Iteration
We'll say that a lowercase 'g' in a string is "happy" if there is another 'g' immediately to its left or right. Return true if all the g's in the given string are happy.
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3
votes
4answers
450 views
Determining if a word is an anagram of another
The question was to see if a word is an anagram of another word.
How would you improve this? It returns True if an anagram, or False otherwise.
...
8
votes
4answers
326 views
String related problem from CodingBat
I was trying this problem and I was wondering if there is a way to check for the edge cases inside the for-loop.
The problem statement:
We'll say that a lowercase 'g' in a string is "happy" if ...
18
votes
2answers
1k views
Please Save My Name
I wanted to create a save game system for my city building game that did not require the player to input a name for the city. It was also important to allow infinite save games, so I could not just ...
4
votes
2answers
118 views
Trim leading zeroes from second component of a string
I have a collection of strings as follows:
44.01
44.02
44.03
44.04
44.12
46.05
46
... and so on.
I want to remove leading zeros from the component of the string after the full stop.
...
