28 Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned. 16 I don't entirely understand the question (the second sentence makes no sense to me) - are you looking for a method that takes a string and a character and returns the number of occurrences of the character in the string? And accepting the one that you feel is the best answer. Both correctly reported 19027 distinct words, but the original took 1.011 s and the version above took 0.057 s (17 times faster). Where to start with a large crack the lock puzzle like this? The Overflow #186: Do large language models know what theyre talking about? How can i fix this and how can i delete all the empty parts in my wordbook "woerterbuch" ? 37 The string is written in a simple template language: characters are usually copied literally into the function's output, but format specifiers, which start with a % character, indicate the location and method to translate a piece of data (such as a number) to characters. 61 Note that to perform the count, first the Split method is called to create an array of words. The process goes on until test expression is evaluated to false. C Program to Count the Number of Unique Words Code: #include #include #include int main () { int i = 0, e, j, d, k, space = 0; char a [50], b [15] [20], c [15] [20]; printf ("Read a string:\n"); fflush (stdin); scanf ("% [^\n]s", a); for (i = 0;a [i] != '\0';i++) //loop to count no of words { if (a [i] = = ' ') space++; } i = 0; For your problem at hand in the title of this thread: I prepared 3 different solutions. You need to count the total number of words, the number of unique words, the count of each individual word, and the number of lines. This calculator counts the number of unique words in a text (total number of words minus all word repetitions). It can be viewed as a repeating if statement. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Conclusions from title-drafting and question-content assistance experiments Count how many times each distinct word appears in input, C++ Identifying the Frequency of words occurring in a sentence, Count how many times each distinct word appears in its input C++, Count the number of times each word occurs in a file, program evaluating occurrences of repeated words, Need to count number of instances of a specific word, How to count unique words in string and output line where they occur? How and when did the plasma get replaced with water? Conclusions from title-drafting and question-content assistance experiments What is the difference between String and string in C#? 70 i need to find out only unique words from it.like unique words in this string are So after all the speed of this algorithm really depends upon how much you are willing to restrict the size of the input-alphabet. 97 54 My rationale is that it's safe and useful to rely on compiler behavior explicitly supported by the standard. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. While there's some re-use of nodes as prefixes are shared, the cost of the many pointers you need in each node (and/or hash tables) is extremely difficult to overcome and will result in horrible memory locality. It also does not need compare between strings or "split" or "(list or array)". 24 Determining string uniqueness in a large file, how to get the unique word in N number of inputs, How to count unique words in string and output line where they occur? Please describe a sample input, what happens when your program runs on that input, and exactly what you think should have happened instead. Count Unique words in a string in C# - Stack Overflow { When a C or C++ program reaches the end of main the compiler will automatically generate code to return 0, so there is no need to put return 0; explicitly at the end of main. I'm supposed to count the number of words more than two characters(have to contain one letter), unique words, and the number of times each unique word appears in the Programming Execution Environment. 25 Does air in the atmosphere get friction due to the planet's rotation? Required knowledge Below is a working program I wrote. Here's a sample input: c:\temp\temp\Good; d:\Dos\temp; e:\Windows! 7 In this challenge, we will need to write a Python function to count unique words and the number of their occurrence in the text. Asking for help, clarification, or responding to other answers. 26 How to count number of occurrence of each word in string? Using if-else statement is always preferable since it always invokes an otherwise case with every if condition. Your IP: 103 Copies the C string pointed by source into the array pointed by destination, including the terminating null character (and stopping at that point). 589). How would you get a medieval economy to accept fiat currency? If they are equal to each other, it continues with the following pairs until the characters differ or until a terminating null-character is reached. Compare two strings. But too difficult to understand for starters. 9 Find centralized, trusted content and collaborate around the technologies you use most. How do I replace all occurrences of a string in JavaScript? 92 30 Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned. 589). @PaulHankin I doubt that. The code should have this line added: Right now, all of the code is in main which isn't necessarily wrong, but it means that it's not only hard to reuse but also hard to troubleshoot. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. i have tried it with linq. rev2023.7.14.43533. Have you time to chat in 2nd Monitor? The following is a simple one. Multiplication implemented in c++ with constant time. This directive is read by the preprocessor and orders it to insert the content of a user-defined or system header file into the following program. The difference between std::endl and '\n' is that std::endl actually flushes the stream. 13 Online calculator: Unique words count 20 if (a[x] = = ' ') I didn't asked for "teh codes" the little title cleary says what is the question. Tab-"\t". Count All Character Occurrences in a String C# - Stack Overflow C Program to Count Number of Unique Words in a String Making statements based on opinion; back them up with references or personal experience. A good hash-function on it's own will already consume more runtime than the entire lookup in a trie, assuming the child-lookup is implemented properly. There are a couple of ways to do this. Using a vector. 51 By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. For C, since C99; see ISO/IEC 9899:1999 section 5.1.2.2.3: [] a return from the initial call to the main function is equivalent to calling the exit function with the value returned by the main function as its argument; reaching the } that terminates the main function returns a value of 0. Thus the main function is always the first code executed when a program starts. (Ep. Future society where tipping is mandatory. char a[50], b[15][20], c[15][20]; @Mightybendar And if you really want to thank people, the correct thing to do is at least upvoting their answers ! 88 What could be the meaning of "doctor-testing of little girls" by Steinbeck? 50 94 I'd strongly advise to find a better C++ class! c# - How to count unique characters in string - Stack Overflow 76 The C program is successfully compiled and run on a Linux system. Is this subpanel installation up to code? Hence we can say that main() in c programming is user defined as well as predefined because it's prototype is predefined. When a customer buys a product with a credit card, does the seller receive the money in installments or completely in one transaction? There can be various ways to do this. Meaning, make a design, before you start coding. I believe you have some issues in your code: Will only overwrite the address of woerterbuch[i], and this will lead to wrong results. C++, How terrifying is giving a conference talk? In Indiana Jones and the Last Crusade (1989), when does this shot of Sean Connery happen? But I still post a solution which might be helpful to some: This is also used for implementation of huffman conding here. C Program Count Number Of Words In A String | 4 Ways - Java Tutoring (60 points) Due 9/23/13 You MAY NOT use C++ string objects for anything in this program. } 73 From the looks of it, your teacher wants you to actually use. Find centralized, trusted content and collaborate around the technologies you use most. Will spinning a bullet really fast without changing its linear velocity make it do more damage? MSE of a regression obtianed from Least Squares. What is the best way to dynamically count each character occurrence in C#? What is the coil for in these cheap tweeters? New line-"\n". x++; (60 points) Due 9/23/13. 93 The only difference is that the main function is "called" by the operating system when the user runs the program. Please provide comments to help me improve my coding and problem solving skills. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. You can try using a set instead vector. Why can you not divide both sides of the equation, when working with exponential functions? Find centralized, trusted content and collaborate around the technologies you use most. Conclusions from title-drafting and question-content assistance experiments What is the best way to count words in C? 27 After running the program, you will be prompted to enter a string. 162.55.4.173 Any help is really appreciated! To learn more, see our tips on writing great answers. What happens if a professor has funding for a PhD student but the PhD student does not come? An exercise in Data Oriented Design & Multi Threading in C++. all i want for christmas is my two front teeth. 589). 102 If you're using C++, here's a one-liner that has optimal time complexity: Create a linked list to store the characters found in the string and its occurences with the node structure as follow. Your loop is terminating right away everytime. How do I make the first letter of a string uppercase in JavaScript? This function performs a binary comparison of the characters. So I advocate omitting it; others disagree (often vehemently!) 78 In Indiana Jones and the Last Crusade (1989), when does this shot of Sean Connery happen? Where do 1-wire device (such as DS18B20) manufacturers obtain their addresses? Using for loop search for a empty space in between the words in the string. String will be first printed while executing inner printf. Why was there a second saw blade in the first grail challenge? You'll be more likely to get an answer if you ask a specific question rather than something generic and openended? You may assume the lines comprise words (contiguous lower-case letters [a-z]) separated by spaces, terminated with a period. Instead of giving you arcane advice your teacher should rather find out how to properly read data in C++! How would life, that thrives on the magic of trees, survive in an area with limited trees? In C programming, scanf() is one of the commonly used function to take input from the user. Thanks for contributing an answer to Stack Overflow! Putting using namespace std at the top of every program is a bad habit that you'd do well to avoid. Also note that in the early 1990s this was considered "sloppy practice" because it was undefined behavior (although widely supported) at the time. The array is the simplest data structure where each data element can be randomly accessed by using its index number. Performance & security by Cloudflare. (Ep. Not the answer you're looking for? #include The nesting level can be defined at n times. 18 Instead of using a multiset, why not use a map where the int-value in each key/value pair represents the number of times you've seen that particular word? thank you very much for the response sir i have done what you asked but now its printing every word that i am putting in a file. Secondly, instead of globally defining char *woerterbuch[1000];, you can manage this array of pointers in a struct: Which will make it easier to manage your array. If format includes format specifiers (subsequences beginning with %), the additional arguments following format are formatted and inserted in the resulting string replacing their respective specifiers. What peer-reviewed evidence supports Procatalepsis? Just very few lines and elegant code. 63 Count unique words in a long long string [closed], How terrifying is giving a conference talk? C Program to Count Number of Unique Words in a String - Developer Publish What does "rooting for my alt" mean in Stranger Things? Flush stream. But if the lookup for childnodes is designed properly, this approach can scan the whole text in O(n), even with a HashTree for the lookup-tables for children, the lookup could still be performed in logarithmic time, resulting in O(n log n), with n being the length of the input-text (characters in the input-text).
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