How do I find the most repeated words in a text file?

This can be done by opening a file in read mode using file pointer. Read the file line by line. Split a line at a time and store in an array. Iterate through the array and find the frequency of each word and compare the frequency with maxcount.

How do you check if a word is present in a file in C?

To find first occurrence of word in str use pos = strstr(str, word); (where pos is pointer to character). pos will point to first occurrence of word in str if exists, otherwise points to NULL . Check if(pos != NULL) then find column index using col = pos – str .

How do text files work in C?

In that case, use the text file functions in stdio:

1. fopen – opens a text file.
2. fclose – closes a text file.
3. feof – detects end-of-file marker in a file.
4. fprintf – prints formatted output to a file.
5. fscanf – reads formatted input from a file.
6. fputs – prints a string to a file.
7. fgets – reads a string from a file.

What is the computational complexity of finding the most frequent word in a document?

Reading M words from file will require O(m) time, where as creating N element heap will take O(n). Also, scanning through all words and inserting them on to heap has complexity of O((m-n) log n). Overall complexity to find top n most frequent words in fileis O(m log m).

How do I count repeated words in a string in Java?

Count occurrences of a word in string

1. First, we split the string by spaces in a.
2. Then, take a variable count = 0 and in every true condition we increment the count by 1.
3. Now run a loop at 0 to length of string and check if our string is equal to the word.

How do you read a file and write to another file in C?

File I/O in C

1. Create a variable of type “FILE*”.
2. Open the file using the “fopen” function and assign the “file” to the variable.
3. Check to make sure the file was successfully opened by checking to see if the variable == NULL.
4. Use the fprintf or fscanf functions to write/read from the file.

How do you read a file in C?

Opening a file is performed using the fopen() function defined in the stdio….Opening a file – for creation and edit.

Mode	Meaning of Mode	During Inexistence of file
r	Open for reading.	If the file does not exist, fopen() returns NULL.
rb	Open for reading in binary mode.	If the file does not exist, fopen() returns NULL.

Which data structure is most often used when counting the frequency of words in a text document?

TestNew stuff! A Python function may require ____, which are values used by the function. The ____ comparison operator returns true if variables are not equal.

How do I find a repeated word in a string in python?

Approach is simple,

1. First split given string separated by space.
2. Now convert list of words into dictionary using collections. Counter(iterator) method. Dictionary contains words as key and it’s frequency as value.
3. Now traverse list of words again and check which first word has frequency greater than 1.