Find the Kth Largest Integer in the Array, 1986. Maximum Product of the Length of Two Palindromic Subsequences, 2003. DeepDyve's default query mode: search by keyword or DOI. You can change your cookie settings through your browser. Find Customers With Positive Revenue this Year, 1823. Minimum Number of Taps to Open to Water a Garden, 1327. 69 students used the monovariant of the number of blocks to show that constructions are impossible for the middle case. Clone Binary Tree With Random Pointer, 1489. First of all, I will state the problem which was proposed by Baptiste Serraille, France: The Bank of Oslo issues two types of coin: aluminum (denoted A) and bronze (denoted B). Maximum Sum of Two Non-Overlapping Subarrays, 1038. Check if There is a Valid Partition For The Array, 2372. Maximize Number of Subsequences in a String, 2208. Maximum Difference Between Increasing Elements, 2018. Minimum Operations to Make All Array Elements Equal, 2605. Maximum White Tiles Covered by a Carpet, 2273. Find the City With the Smallest Number of Neighbors at a Threshold Distance, 1335. Two Sum 2. Count Elements With Strictly Smaller and Greater Elements, 2150. Apply Operations to Make All Array Elements Equal to Zero, 2776. Find Smallest Common Element in All Rows, 1203. Minimum Cost to Make All Characters Equal, 2713. Minimum Number of Moves to Make Palindrome, 2196. Minimum Non-Zero Product of the Array Elements, 1972. Sort Array by Moving Items to Empty Space, 2461. Count Number of Homogenous Substrings, 1761. Check if All Characters Have Equal Number of Occurrences, 1942. Users That Actively Request Confirmation Messages, 1940. Find the Quiet Students in All Exams, 1413. Initialize the input string, which is to be checked. Remove Zero Sum Consecutive Nodes from Linked List, 1178. Number of Subarrays Having Even Product, 2496. Let r be a subsequence of t containing at least k + 1 elements. Get the Second Most Recent Activity, 1371. Extract Kth Character From The Rope Tree, 2696. Longest Subsequence Repeated k Times, // Store subseqs, length grows by 1 each time, # Store subseqs, length grows by 1 each time, 3. Maximum Count of Positive Integer and Negative Integer, 2530. Minimum Operations to Reduce X to Zero, 1661. The Earliest and Latest Rounds Where Players Compete, 1904. Count the Number of Good Subsequences, 2541. Read and print from thousands of top scholarly journals. Replace All ? Determine the Winner of a Bowling Game, 2661. Intervals Between Identical Elements, 2123. Minimum Adjacent Swaps to Reach the Kth Smallest Number, 1851. Minimum String Length After Removing Substrings, 2697. The time complexity of this approach is exponential. Maximum Number of Points From Grid Queries, 2504. Longest Substring Without Repeating Characters, 17. Maximum Product of Splitted Binary Tree, 1342. Find the Winner of the Circular Game, 1827. Can Make Arithmetic Progression From Sequence, 1503. Last Substring in Lexicographical Order, 1168. Smallest Subsequence of Distinct Characters, 1085. The Most Recent Orders for Each Product, 1551. Minimum Cost to Reach City With Discounts, 2095. Supplementary questions for game 259 2014. Number of Substrings Containing All Three Characters, 1359. Delete Characters to Make Fancy String, 1959. Method 1 (Brute force): We generate all subsequences. Tiling a Rectangle with the Fewest Squares, 1247. All People Report to the Given Manager, 1276. Make Number of Distinct Characters Equal, 2535. Distinct Prime Factors of Product of Array, 2522. Calculate the Influence of Each Salesperson, 2375. The longest repeating subsequence problem is a classic variation of the Longest Common Subsequence (LCS) problem. Minimum Deletions to Make Array Divisible, 2345. Take K of Each Character From Left and Right, 2520. Maximum XOR of Two Non-Overlapping Subtrees, 2482. Remove All Ones With Row and Column Flips, 2131. 1292. README.md . Maximum Number of Occurrences of a Substring, 1298. Most leaders were genuinely very nice, however a few had the tendency to be more adversarial and raise their voice when they did not get what they wanted. Longest Chunked Palindrome Decomposition, 1150. This is because the time complexity of inserting an element in a map is O(log(n)).Auxiliary Space: O(n), where n is the length of the string. Employees Whose Manager Left the Company, 1979. Construct Binary Tree from Inorder and Postorder Traversal, 107. Minimum Number of Swaps to Make the Binary String Alternating, 1866. Check Distances Between Same Letters, 2400. The answer is fast python strings and optimized isSubsequence () function. Maximum Length of a Concatenated String with Unique Characters, 1240. The Number of Passengers in Each Bus I, 2143. The Number of the Smallest Unoccupied Chair, 1944. Find Nearest Right Node in Binary Tree, 1604. Basically, I read the scripts of 20 or so countries, before meeting with the leaders of said countries to agree upon what mark (out of 7) each student should receive. Minimum Moves to Equal Array Elements, 462. Count Nodes Equal to Sum of Descendants, 1974. A chain is any subsequence of consecutive coins of the same type. Longest Binary Subsequence Less Than or Equal to K, 2313. Find Substring With Given Hash Value, 2158. Longest Subsequence Repeated k Times; Leetcode 2015. Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts, 1466. of times in other, Longest Subsequence with absolute difference of pairs as at least Subsequence's maximum, Longest Subsequence with at least one common digit in every element, Replace every character of string by character whose ASCII value is K times more than it, Mathematical and Geometric Algorithms - Data Structure and Algorithm Tutorials, Learn Data Structures with Javascript | DSA Tutorial, Introduction to Max-Heap Data Structure and Algorithm Tutorials, Introduction to Set Data Structure and Algorithm Tutorials, Introduction to Map Data Structure and Algorithm Tutorials, A-143, 9th Floor, Sovereign Corporate Tower, Sector-136, Noida, Uttar Pradesh - 201305, We use cookies to ensure you have the best browsing experience on our website. Evaluate the Bracket Pairs of a String, 1812. Count Words Obtained After Adding a Letter, 2136. Maximum Number of Groups Getting Fresh Donuts, 1819. Get Biggest Three Rhombus Sums in a Grid, 1880. The idea is to find the LCS (str, str) where, str is the input string with the restriction that when both the characters are same, they shouldn't be on the same index in the two strings. Binary Tree Vertical Order Traversal, 317. Find Minimum in Rotated Sorted Array II, 158. Step 3: Create a list of all possible sub-sequences of the string. The Time When the Network Becomes Idle, 2040. To subscribe to email alerts, please log in first, or sign up for a DeepDyve account if you dont already have one. Max Sum of a Pair With Equal Sum of Digits, 2344. Partition Array According to Given Pivot, 2163. Minimum Number of Days to Disconnect Island, 1569. Largest Combination With Bitwise AND Greater Than Zero, 2279. Vertical Order Traversal of a Binary Tree, 990. Final Prices With a Special Discount in a Shop, 1477. Actors and Directors Who Cooperated At Least Three Times, 1058. Customer Placing the Largest Number of Orders, 597. You will be notified via email once the article is available for improvement. Count the Number of Consistent Strings, 1685. Maximum Number of Groups Entering a Competition, 2359. Longest ZigZag Path in a Binary Tree, 1374. Minimum Operations to Make the Array Increasing, 1828. Minimum Sum of Four Digit Number After Splitting Digits, 2161. Minimum Number of Days to Make m Bouquets, 1485. Subtract the Product and Sum of Digits of an Integer, 1282. Yes, the longest common substring of two given strings can be found in O ( m + n) time, assuming the size of the alphabet is constant. Partition String Into Minimum Beautiful Substrings, 2770. Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree, 1431. Rearrange Characters to Make Target String, 2290. The Number of Full Rounds You Have Played, 1906. Check if Number Has Equal Digit Count and Digit Value, 2287. Merge Two 2D Arrays by Summing Values, 2571. Do not surround your terms in double-quotes ("") in this field. Substring with Concatenation of All Words, 34. The basic idea is to Longest Subsequence Repeated K Times Read More Auxiliary Space: O(n), where n is the length of the string. Choose Numbers From Two Arrays in Range, 2144. Number of Submatrices That Sum to Target, 1080. Largest 3-Same-Digit Number in String, 2265. This can be viewed as a new front end to the Oslo algorithm. Elements in Array After Removing and Replacing Elements, 2114. Longest Palindromic Substring 6. Number of Ways to Reach a Position After Exactly k Steps, 2406. For every subsequence count distinct characters in it and find the longest subsequence where every character appears at-least k times. All Paths from Source Lead to Destination, 1061. Removing Minimum and Maximum From Array, 2093. Count Lattice Points Inside a Circle, 2250. Find XOR Sum of All Pairs Bitwise AND, 1836. Maximum Candies You Can Get from Boxes, 1299. Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree, 1491. Minimum Amount of Time to Collect Garbage, 2393. Smallest Value of the Rearranged Number, 2167. . Then for any suitable integer i and a sufficiently smooth function f we have (11) (ri+k- ri)[T,* ,ri+k]f= a4k(J)(tj+k-tj)[tj,**, tj+k]f The existence of a formula like (1.1) with nonnegative weights aik(j) = ai,kT,(j), goes back to . I was one of the coordinators for International Mathematics Olympiad 2022. Longest Substring with At Least K Repeating Characters, 421. Subarray With Elements Greater Than Varying Threshold, 2335. Flip Columns For Maximum Number of Equal Rows, 1074. Maximum Sum With Exactly K Elements, 2657. Add Two Numbers 3. Minimum Number of Operations to Reinitialize a Permutation, 1807. Maximum Nesting Depth of Two Valid Parentheses Strings, 1121. Minimum Possible Integer After at Most K Adjacent Swaps On Digits, 1509. Max Dot Product of Two Subsequences, 1460. Find Kth Largest XOR Coordinate Value, 1741. Minimum Degree of a Connected Trio in a Graph, 1764. Form Largest Integer With Digits That Add up to Target, 1450. Minimum Number of Steps to Make Two Strings Anagram, 1351. Count Negative Numbers in a Sorted Matrix, 1353. Check if One String Swap Can Make Strings Equal, 1794. WHAT The approach we take is that we find the Longest Common Subsequence of the input string with itself such that there is no shared character of the same index in the 2 subsequences. Kids With the Greatest Number of Candies, 1432. Smallest Rotation with Highest Score, 801. Split Array into Consecutive Subsequences, 668. Maximum Strictly Increasing Cells in a Matrix, 2715. Find Target Indices After Sorting Array, 2091. Drop Type 1 Orders for Customers With Type 0 Orders, 2085. Longest Subarray of 1's After Deleting One Element, 1495. 70 gave the construction for the k>(3n+1)/2 case and were awarded full credit here. Abbreviating the Product of a Range, 2120. This is because when a string is passed to any function it is passed by value and creates a copy of itself in the stack. Count Houses in a Circular Street II, 2760. Count Number of Maximum Bitwise-OR Subsets, 2045. Longest Subarray With Maximum Bitwise AND, 2422. To implement this solution, follow these steps: Step 1: Create a frequency table of the characters in the string. You are given a string s of length n, and an integer k. You are tasked to find the longest subsequence repeated k times in string s. A subsequence is a string that can be derived from another string by deleting some or no characters without changing the order of the remaining characters. Find First and Last Position of Element in Sorted Array, 80. Lexicographically Smallest Palindrome, 2698. Replace Elements with Greatest Element on Right Side, 1300. Association for Computing Machinery. Check all that apply - Please note that only the first page is available if you have not selected a reading option after clicking "Read Article". Count Subarrays With Score Less Than K, 2307. Maximum Consecutive Floors Without Special Floors, 2275. Minimum Amount of Time to Fill Cups, 2340. Shortest Path with Alternating Colors, 1131. Queries on Number of Points Inside a Circle, 1830. Find Minimum Time to Finish All Jobs II, 2328. Marianne has n aluminum coins and n bronze coins arranged in a row in some arbitrary initial order. Minimum Number of Flips to Convert Binary Matrix to Zero Matrix, 1285. Lowest Common Ancestor of a Binary Tree, 255. Time Complexity: O(n), where n is the size of the given string.Auxiliary Space: O(1). Closest Nodes Queries in a Binary Search Tree, 2477. Find Servers That Handled Most Number of Requests, 1608. Maximum of Minimum Values in All Subarrays, 1951. Maximum Score From Removing Substrings, 1718. Find the Index of the First Occurrence in a String, 30. Delivering Boxes from Storage to Ports, 1689. 2014. Archived post. Minimum Score by Changing Two Elements, 2570. Minimum Number of Operations to Make Array Continuous, 2010. What is the time to process one candidate? Maximum Difference by Remapping a Digit, 2567. Frequency of the Most Frequent Element, 1839. 1746. I found the marking this year rather tough as I was not fluent in any of the languages used on the first day of coordination. The Number of Seniors and Juniors to Join the Company II, 2011. Maximum Number of Tasks You Can Assign, 2074. Populating Next Right Pointers in Each Node, 117. Minimum Lines to Represent a Line Chart, 2282. Require these words, in this exact order. Largest Component Size by Common Factor, 967. Return the longest subsequence repeated k times in string s. If multiple such subsequences are found, return the lexicographically largest one. Average Salary: Departments VS Company, 632. Convert Binary Search Tree to Sorted Doubly Linked List, 428. Mean of Array After Removing Some Elements, 1620. Maximum Subarray Sum After One Operation, 1749. Shortest Path in a Grid with Obstacles Elimination Sign up today, get DeepDyve free for 14 days. Minimum Elements to Add to Form a Given Sum, 1786. Maximum Running Time of N Computers, 2142. Check if All the Integers in a Range Are Covered, 1894. Remove All Adjacent Duplicates in String II, 1210. Minimum Operations to Make the Integer Zero, 2750. Check If Two String Arrays are Equivalent, 1663. Design Add and Search Words Data Structure, 235. Delete the Middle Node of a Linked List, 2096. Construct Binary Tree from Preorder and Postorder Traversal, 893. Maximum Number of Removable Characters, 1899. Find the Index of the Large Integer, 1536. Minimum Difference in Sums After Removal of Elements, 2164. Flip Binary Tree To Match Preorder Traversal, 982. Find Greatest Common Divisor of Array, 1981. Minimum Bit Flips to Convert Number, 2224. Find a Corresponding Node of a Binary Tree in a Clone of That Tree, 1381. Practice Video Given a string 's' and an integer k, find other string 't' such that 't' is the largest subsequence of given string 's' and each character of 't' must occur at least k times in string s. Examples : Input : s = "geeksforgeeks" k = 2 Output : geeksgeeks Input : s = "baaabaacba" k = 3 Output : baaabaaba Count Nodes Equal to Average of Subtree, 2267. This solution has a time complexity of O(n^k k log n) and a space complexity of O(n + k), where n is the length of the input string s. Blind 75 Practice Problems With Solutions, [gravityforms id="5" description="false" titla="false" ajax="true"], Dynamic Programming in 7 days! Number of Ways to Divide a Long Corridor, 2148. acknowledge that you have read and understood our. Next Greater Numerically Balanced Number, 2051. Minimum Swaps To Make Sequences Increasing, 828. Count Odd Numbers in an Interval Range, 1525. Minimum Operations to Convert Number, 2060. Maximum Product of Two Elements in an Array, 1465. Remove Digit From Number to Maximize Result, 2260. Products With Three or More Orders in Two Consecutive Years, 2294. Sum of Digits in the Minimum Number, 1100. Minimum Value to Get Positive Step by Step Sum, 1414. Reset filters. The k-th Lexicographical String of All Happy Strings of Length n, 1418. Smallest Value After Replacing With Sum of Prime Factors, 2508. Number of Steps to Reduce a Number to Zero, 1343. Minimum Operations to Make Array Equal, 1553. Smallest Subtree with all the Deepest Nodes, 873. It also makes it clear that I would never want to be problem captain of a combinatorics question. Find Median Given Frequency of Numbers, 579. Check If a String Contains All Binary Codes of Size K, 1464. Minimum Absolute Difference Queries, 1909. Number of Pairs of Strings With Concatenation Equal to Target, 2025. Apply Transform Over Each Element in Array, 2639. Count Number of Possible Root Nodes, 2584. Minimum Number of Visited Cells in a Grid, 2635. Reverse Integer 8. Count Collisions of Monkeys on a Polygon, 2554. Convert Binary Number in a Linked List to Integer, 1292. Maximum Number of Robots Within Budget, 2399. Minimum Subsequence in Non-Increasing Order, 1404. Widest Pair of Indices With Equal Range Sum, 1984. Longest Word in Dictionary through Deleting, 549. They were placed on your computer when you launched this website. Minimum Operations to Make Array Equal II, 2545. Number of Different Subsequences GCDs, 1820. Longest Binary Subsequence Less Than or Equal to K; Leetcode 2312. Number of Valid Move Combinations On Chessboard, 2058. Second Minimum Time to Reach Destination, 2046. Longest Repeated Subsequence Read Discuss (40+) Courses Practice Given a string, print the longest repeating subsequence such that the two subsequence don't have same string character at same position, i.e., any i'th character in the two subsequences shouldn't have the same index in the original string. Check if There is a Path With Equal Number of 0's And 1's, 2511. Probability of a Two Boxes Having The Same Number of Distinct Balls, 1474. Minimum Deletions to Make String Balanced, 1658. Number of Burgers with No Waste of Ingredients, 1277. Count Number of Distinct Integers After Reverse Operations, 2446. Maximum Number of Darts Inside of a Circular Dartboard, 1455. View code Notes 1. One student's script had three flaws in it: They used a bad monovariant, they did not deal with the k=n case and their constructions were not explicit. Minimum Operations to Make Numbers Non-positive, 2710. Count Number of Pairs With Absolute Difference K, 2007. Find Nearest Point That Has the Same X or Y Coordinate, 1780. For every subsequence, check if it has all characters at least k times. Kth Smallest Product of Two Sorted Arrays, 2041. Count Triplets That Can Form Two Arrays of Equal XOR, 1443. Check If Word Is Valid After Substitutions, 1005. Maximum Total Beauty of the Gardens, 2237.

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