Course Content
المحتوى
0/108
Generate All Permutations of a Given String
11:52
Generate All Permutations of a Given String
11:52
Finding the Longest Palindromic Substring
11:52
Reversing a String Using a Stack
11:52
Identifying the Most Frequent Character in a String
11:52
Reversing an Array or String
11:52
Implementing the Caesar Cipher
11:52
Python Programming Tutorial: Strings, Lists, Tuples, and Iterations
11:52
String Matching with Wildcard Characters
11:52
Adding Two Binary Strings
11:52
Reversing a String Without Temporary Variables
11:52
Counting Substrings with Exactly K Distinct Characters
11:52
Python Programming Tutorial: String Methods Part 1
11:52
Finding Duplicates in a String Using the Counter Method
11:52
Slicing and Splitting Strings in Python
11:52
Removing Spaces from a String in C
11:52
Finding the Second Most Frequent Character in a String
11:52
Converting String Characters to Opposite Case
11:52
Python Programming Tutorial: String Methods Part 2
11:52
Printing Common Characters of Two Strings in Alphabetical Order
11:52
Checking if a String is a Substring of Another
11:52
Checking if a String is a Substring of Another
11:52
Checking if a String is a Substring of Another
11:52
Checking if a String is a Substring of Another
11:52
Python Programming Tutorial: Logical Operations and String Splitting
11:52
Determining if One String is a Subsequence of Another
11:52
Checking if Two Strings are Rotations of Each Other
11:52
Removing Characters to Form Anagrams
11:52
Finding Maximum Depth of Nested Parentheses in a String
11:52
Checking if a String is an Interleaving of Two Other Strings
11:52
Python Programming Tutorial: String Methods Part 3
11:52
Printing Concatenation of Zig Zag String in N Rows
11:52
Comparing Two Strings Represented as Linked Lists
11:52
Counting Vowels in a String Using Sets
11:52
Removing Characters from One String Present in Another
11:52
Replacing a Word with Asterisks in a Sentence
11:52
Checking if Two Strings are Isomorphic
11:52
Printing All Duplicates in the Input String
11:52
Removing Duplicate Words from a Sentence in Python
11:52
Converting a String to Hexadecimal ASCII Values
11:52
Converting a String to Hexadecimal ASCII Values
11:52
Converting a String to Hexadecimal ASCII Values
11:52
Creating a Palindrome by Changing One Character
11:52
Calculating Distinct Permutations of a String
11:52
Sorting an Array of Names or Strings in C
11:52
Counting Words in a Given String
11:52
Finding a String in Lexicographic Order Between Two Given Strings
11:52
Finding a String in Lexicographic Order Between Two Given Strings
11:52
Finding a String in Lexicographic Order Between Two Given Strings
11:52
Dividing a String into N Equal Parts
11:52
Creating a String from Prefix and Suffix of Two Given Strings
11:52
Checking if a Robot’s Moves Form a Circular Path
11:52
Generating All Combinations of Strings for Dialing a Number
11:52
Finding the Longest Subsequence with Each Character Occurring at Least K Times
11:52
Extracting Initials from a Name
11:52
Extracting Initials from a Name
11:52
Extracting Initials from a Name
11:52
Extracting Initials from a Name
11:52
Extracting Initials from a Name
11:52
Extracting Initials from a Name
11:52
Find largest word in dictionary by deleting some characters of given string | GeeksforGeeks
11:52
Number of substrings of a string | GeeksforGeeks
11:52
Number of substrings of a string | GeeksforGeeks
11:52
Number of substrings of a string | GeeksforGeeks
11:52
Number of substrings of a string | GeeksforGeeks
11:52
Find k th character of decrypted string | GeeksforGeeks
11:52
Count number of substrings that start and end with 1 in a Binary String | GeeksforGeeks
11:52
Frequency of a substring in a string | GeeksforGeeks
11:52
Frequency of a substring in a string | GeeksforGeeks
11:52
Lexicographical concatenation of all substrings of a string | GeeksforGeeks
11:52
Check if two strings are k anagrams or not | GeeksforGeeks
11:52
Remove all characters other than alphabets in a string | GeeksforGeeks
11:52
Remove all characters other than alphabets in a string | GeeksforGeeks
11:52
Convert a sentence into its equivalent mobile numeric keypad sequence | GeeksforGeeks
11:52
Program for length of a string using recursion | GeeksforGeeks
11:52
Program for length of a string using recursion | GeeksforGeeks
11:52
Python Programming Tutorial | How to check if a string is a valid keyword in Python | GeeksforGeeks
11:52
Remove recurring digits in a given number | GeeksforGeeks
11:52
Sum of nodes at k th level in a tree represented as string | GeeksforGeeks
11:52
Print the string after the specified character has occurred given no of times | GeeksforGeeks
11:52
Check if a binary string has a 0 between 1s or not | GeeksforGeeks
11:52
Print string of odd length in ‘X format | GeeksforGeeks
11:52
Minimum flips of continuous characters to make all same in a binary string | GeeksforGeeks
11:52
Number of even substrings in a string of digits | GeeksforGeeks
11:52
Group words with same set of characters | GeeksforGeeks
11:52
Recursive Implementation of atoi | GeeksforGeeks
11:52
Check if frequency of all characters can become same by one removal | GeeksforGeeks
11:52
Count words that appear exactly two times in an array of words | GeeksforGeeks
11:52
Minimum number of palindromic subsequences to be removed to empty a binary string | GeeksforGeeks
11:52
Check if a string follows a nb n pattern or not | GeeksforGeeks
11:52
Count characters at same position as in English alphabet | GeeksforGeeks
11:52
First uppercase letter in a string | GeeksforGeeks
11:52
First uppercase letter in a string | GeeksforGeeks
11:52
First uppercase letter in a string | GeeksforGeeks
11:52
Maximum length prefix of one string that occurs as subsequence in another | GeeksforGeeks
11:52
Find the number of contiguous subsequences which recursively add up to 9 | GeeksforGeeks
11:52
Interesting facts about strings in Python | GeeksforGeeks
11:52
Longest common subsequence with permutations allowed | GeeksforGeeks
11:52
Perfect Square String | GeeksforGeeks
11:52
Perfect Square String | GeeksforGeeks
11:52
Perfect Square String | GeeksforGeeks
11:52
Count ways to remove one element from a binary string so that XOR becomes zero | GeeksforGeeks
11:52
Count words whose i th letter is either i 1 th i th or i 1 th letter of a word | GeeksforGeeks
11:52
Print given sentence into its equivalent ASCII characters | GeeksforGeeks
11:52
Latin Alphabet Cipher I GeeksforGeeks
11:52
Latin Alphabet Cipher I GeeksforGeeks
11:52
Latin Alphabet Cipher I GeeksforGeeks
11:52
Final Exam - Mastering Data Structures and Programming Algorithms
Mastering Data Structures and Programming Algorithms

Learn to count the number of substrings that contain exactly k distinct characters.

Previous
Next
0% Complete