𝔹𝕒𝕡𝕡𝕒 ℝ𝕠𝕒𝕕𝕞𝕒𝕡 ℂ𝕙𝕖𝕔𝕜𝕝𝕚𝕤𝕥...

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• interview problems

🔲 Problem set LeetCode [Interview] Pattern Wise String related problems :

String Patternwise Problems:

Here I have divided string problem in different category if you like please upvote . Also suggestions are accepted

Parenthesis problem:

• 1.https://leetcode.com/problems/generate-parentheses
• 2.https://leetcode.com/problems/score-of-parentheses
• 3.https://leetcode.com/problems/valid-parentheses
• 4.https://leetcode.com/problems/valid-parentheses Easy
• 5.https://leetcode.com/problems/remove-outermost-parentheses Easy
• 6.https://leetcode.com/problems/different-ways-to-add-parentheses/ Medium
• 7.https://leetcode.com/problems/remove-invalid-parentheses Hard
• 8.https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses Medium
• 9.https://leetcode.com/problems/maximum-nesting-depth-of-the-parentheses Easy

Counting of substring based on some condition:-

• 1.https://leetcode.com/problems/number-of-wonderful-substrings Medium
• 2.https://leetcode.com/problems/sum-of-beauty-of-all-substrings/ Medium
• 3.https://leetcode.com/problems/maximum-number-of-occurrences-of-a-substring Medium
• 4.https://leetcode.com/problems/number-of-wonderful-substrings Medium

Check types of string:-

• 1.https://leetcode.com/problems/isomorphic-strings Easy
• 2.https://leetcode.com/problems/valid-anagram Easy
• 3.https://leetcode.com/problems/additive-number Medium
• 4.https://leetcode.com/problems/buddy-strings Easy
• 5.https://leetcode.com/problems/longest-happy-prefix Hard
• 6.https://leetcode.com/problems/increasing-decreasing-string Easy
• 7.https://leetcode.com/problems/check-if-a-string-can-break-another-string Medium
• 8.https://leetcode.com/problems/determine-if-two-strings-are-close Medium
• 9.https://leetcode.com/problems/check-if-two-string-arrays-are-equivalent Easy
• 10.https://leetcode.com/problems/check-if-word-equals-summation-of-two-words Easy
• 11.https://leetcode.com/problems/check-if-one-string-swap-can-make-strings-equal Easy

Palindromic string:

• 1.https://leetcode.com/problems/palindrome-partitioning Medium
• 2.https://leetcode.com/problems/palindrome-partitioning-ii Hard
• 3.https://leetcode.com/problems/valid-palindrome Easy
• 4.https://leetcode.com/problems/shortest-palindrome Hard
• 5.https://leetcode.com/problems/palindrome-pairs Hard
• 6.https://leetcode.com/problems/longest-palindrome Easy
• 7.https://leetcode.com/problems/longest-palindromic-subsequence Medium
• 8.https://leetcode.com/problems/find-the-closest-palindrome Hard
• 9.https://leetcode.com/problems/palindromic-substrings Medium
• 10.https://leetcode.com/problems/valid-palindrome-ii Easy
• 11.https://leetcode.com/problems/longest-chunked-palindrome-decomposition Hard
• 12.https://leetcode.com/problems/break-a-palindrome Medium
• 13.https://leetcode.com/problems/can-make-palindrome-from-substring Medium
• 14.https://leetcode.com/problems/palindrome-partitioning-iii Hard
• 15.https://leetcode.com/problems/minimum-insertion-steps-to-make-a-string-palindrome Hard
• 16.https://leetcode.com/problems/remove-palindromic-subsequences Easy
• 16.https://leetcode.com/problems/construct-k-palindrome-strings Medium
• 17.https://leetcode.com/problems/split-two-strings-to-make-palindrome Medium

Sorting on String:-

1.https://leetcode.com/problems/sort-characters-by-frequency Medium 2.https://leetcode.com/problems/custom-sort-string

Longest and shortest kind of String Problem :-

https://leetcode.com/problems/longest-duplicate-substring Hard 2.https://leetcode.com/problems/longest-string-chain Medium 3.https://leetcode.com/problems/longest-common-subsequence Medium 4.https://leetcode.com/problems/longest-happy-string Medium 5.https://leetcode.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters Medium 6.https://leetcode.com/problems/find-longest-awesome-substring Hard 7.https://leetcode.com/problems/largest-substring-between-two-equal-characters Easy 8.https://leetcode.com/problems/largest-odd-number-in-string Easy Please give suggestions if you want to make any.

How To Master Leetcode

Click here to read

👔 LeetCode Interview:

🥇 String Related Problems

• 1. 125. Valid Palindrome
     • Solved Code
• 2. 5. Longest Palindrome
• 3. 3. Longest Substring Without Repeating Characters
• 4. 242. Valid Anagram
• 5. 49. Group Anagrams
• 6. 20. Valid Parentheses [stack-easy]

🥇 Array: [Solve this 10 problems]

• 217. Contains Duplicate
• 238. Product of Array Except Self
• 11. Container With Most Water
• 121. Best Time to Buy and Sell Stock
• 1. Two Sum
• 15. Three Sum
• 53. Maximum Subarray
• 152. Maximum Product Subarray
• 153. Find Minimum in Rotated Sorted Array
• 33. Search in Rotated Sorted Array

🥇 LinkedList: [Solve this 4 problems]

• 206. Reverse Linked List
• 141. Linked List Cycle
• 19. Remove Nth Node From End of List
• 21. Merge Two Sorted Lists

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🚴‍♂️ Target -01

©️ Math with C, 🔒 Intro to C++, 🔢 Data Structure -II

• ✅ Math For Programming

• ✅ Introduction to Programming Language

• ✅ Basic Data Structures and Problem Solving Part-II

  • 📁 02-Basic Data Structure-C++

    • https://visualgo.net/en/list

    • ♻️ week-1-[C++_Introduction]

    • ♻️ week-3-[Linked_List__&&__Merge-Sort]

    • ♻️ week-4-[Linked_List]

    • ♻️ week-5-[Time_Complexity_&&_Recursioin]

    • ♻️ week-6-[Stack_&&_Queue]

      • https://visualgo.net/en/list

    • 🎄🎄🎄🎄🎄 Basic Data Structure C++

    📁 Folder name :

    • 🔘🔥 week-2-C++

      • 2001-arrayOfSum

      • 2002-stringOperation

    • 🔘🔥 week-2-C++

    • 🔘🔥 week-3-C++

      • 01-Merge-sort.cpp
      • 02-Merge-sort.js
      • 03-merge-sort-of-two-array
      • 04-simple-merge
      • 05-solved-5
      • 10-Quick-sort
      • 11-Quick-sort-takes-user-input
      • 12-Quick-sort-non-increasing-order

  • 🔥𝗟𝗶𝗻𝗸𝗲𝗱 𝗟𝗶𝘀𝘁 🔥

    01-structure-of-linked-list.cpp

    02-insert-in-head-linked-list.cpp

    03-traverse-linked-list.cpp

    04-searching-in-linked-list.cpp

    05-searching-all-possible-occurrence-linked-list.cpp

  • 🔘🔥 week-4-C++

  • 🔥𝗟𝗶𝗻𝗸𝗲𝗱 𝗟𝗶𝘀𝘁 [single linked list] 🔥

    06-linkedList-length.cpp

    07-orderOf-1-length.cpp

    08-insert-at-any-index.cpp

    09-delete-at-head.cpp

    10-delete-at-any-node.cpp

    11-insert-after-a-value.cpp

    12-reverse-print.cpp

    14-structure.cpp

    15-insertion-at-head.cpp

    16-insertion-at-any-index.cpp

    17-deletion.cpp

    18-reverse.cpp