Канал: Algorithms Casts

Leetcode 3011: Find if Array Can Be Sorted

Leetcode 3011: Find if Array Can Be Sorted

Leetcode 2914: Minimum Number of Changes to Make Binary String Beautiful

Leetcode 2914: Minimum Number of Changes to Make Binary String Beautiful

Leetcode 3163: String Compression III

Leetcode 3163: String Compression III

Leetcode 3342: Find Minimum Time to Reach Last Room II

Leetcode 3342: Find Minimum Time to Reach Last Room II

Leetcode 3341: Find Minimum Time to Reach Last Room I

Leetcode 3341: Find Minimum Time to Reach Last Room I

Leetcode 796. Rotate String

Leetcode 796. Rotate String

Leetcode 1957: Delete Characters to Make Fancy String

Leetcode 1957: Delete Characters to Make Fancy String

Leetcode 2463: Minimum Total Distance Traveled

Leetcode 2463: Minimum Total Distance Traveled

Leetcode 1671: Minimum Number of Removals to Make Mountain Array

Leetcode 1671: Minimum Number of Removals to Make Mountain Array

Leetcode 1701: Average Waiting Time

Leetcode 1701: Average Waiting Time

Leetcode 1823: Find the Winner of the Circular Game

Leetcode 1823: Find the Winner of the Circular Game

Leetcode 3208: Alternating Groups II

Leetcode 3208: Alternating Groups II

Leetcode 3212. Count Submatrices With Equal Frequency of X and Y

Leetcode 3212. Count Submatrices With Equal Frequency of X and Y

Leetcode 3211: Generate Binary Strings Without Adjacent Zeros

Leetcode 3211: Generate Binary Strings Without Adjacent Zeros

Leetcode 1518: Water Bottles

Leetcode 1518: Water Bottles

Leetcode 3207: Maximum Points After Enemy Battles

Leetcode 3207: Maximum Points After Enemy Battles

Leetcode 3206 Alternating Groups I

Leetcode 3206 Alternating Groups I

Leetcode 2582: Pass the Pillow

Leetcode 2582: Pass the Pillow

Leetcode 2058: Find the Minimum and Maximum Number of Nodes Between Critical Points

Leetcode 2058: Find the Minimum and Maximum Number of Nodes Between Critical Points

Leetcode 2037: Minimum Number of Moves to Seat Everyone

Leetcode 2037: Minimum Number of Moves to Seat Everyone

Leetcode 75: Sort Colors

Leetcode 75: Sort Colors

Leetcode 3180: Maximum Total Reward Using Operations I

Leetcode 3180: Maximum Total Reward Using Operations I

Leetcode 1122: Relative Sort Array

Leetcode 1122: Relative Sort Array

Leetcode 3179: Find the N-th Value After K Seconds

Leetcode 3179: Find the N-th Value After K Seconds

Leetcode 3178: Find the Child Who Has the Ball After K Seconds

Leetcode 3178: Find the Child Who Has the Ball After K Seconds

Leetcode 1051: Height Checker

Leetcode 1051: Height Checker

Leetcode 846: Hand of Straights

Leetcode 846: Hand of Straights

Leetcode 1002: Find Common Characters

Leetcode 1002: Find Common Characters

Leetcode 2441: Largest Positive Integer That Exists With Its Negative

Leetcode 2441: Largest Positive Integer That Exists With Its Negative

Leetcode 2000: Reverse Prefix of Word

Leetcode 2000: Reverse Prefix of Word

Leetcode 988: Smallest String Starting From Leaf

Leetcode 988: Smallest String Starting From Leaf

Leetcode 129: Sum Root to Leaf Numbers

Leetcode 129: Sum Root to Leaf Numbers

Leetcode 404: Sum of Left Leaves

Leetcode 404: Sum of Left Leaves

Leetcode 402: Remove K Digits

Leetcode 402: Remove K Digits

Leetcode 2073: Time Needed to Buy Tickets

Leetcode 2073: Time Needed to Buy Tickets

Leetcode 1700: Number of Students Unable to Eat Lunch

Leetcode 1700: Number of Students Unable to Eat Lunch

Leetcode 1614: Maximum Nesting Depth of the Parentheses

Leetcode 1614: Maximum Nesting Depth of the Parentheses

Leetcode 205: Isomorphic Strings

Leetcode 205: Isomorphic Strings

Leetcode 3101: Count Alternating Subarrays

Leetcode 3101: Count Alternating Subarrays

Leetcode 3100: Water Bottles II

Leetcode 3100: Water Bottles II

Leetcode 3097: Shortest Subarray With OR at Least K II

Leetcode 3097: Shortest Subarray With OR at Least K II

Leetcode 3096: Minimum Levels to Gain More Points - Python

Leetcode 3096: Minimum Levels to Gain More Points - Python

Leetcode 2962: Count Subarrays Where Max Element Appears at Least K Times

Leetcode 2962: Count Subarrays Where Max Element Appears at Least K Times

Leetcode 2958: Length of Longest Subarray With at Most K Frequency

Leetcode 2958: Length of Longest Subarray With at Most K Frequency

Leetcode 713: Subarray Product Less Than K

Leetcode 713: Subarray Product Less Than K

Leetcode 41: First Missing Positive

Leetcode 41: First Missing Positive

Leetcode 3092: Most Frequent IDs

Leetcode 3092: Most Frequent IDs

Leetcode 442: Find All Duplicates in an Array

Leetcode 442: Find All Duplicates in an Array

Leetcode 3091: Apply Operations to Make Sum of Array Greater Than or Equal to k

Leetcode 3091: Apply Operations to Make Sum of Array Greater Than or Equal to k

Leetcode 287: Find the Duplicate Number

Leetcode 287: Find the Duplicate Number

Leetcode 621: Task Scheduler

Leetcode 621: Task Scheduler

Leetcode 3081: Replace Question Marks in String to Minimize Its Value

Leetcode 3081: Replace Question Marks in String to Minimize Its Value

Leetcode 3084: Count Substrings Starting and Ending with Given Character

Leetcode 3084: Count Substrings Starting and Ending with Given Character

Leetcode 452: Minimum Number of Arrows to Burst Balloons

Leetcode 452: Minimum Number of Arrows to Burst Balloons

Leetcode 3080: Mark Elements on Array by Performing Queries

Leetcode 3080: Mark Elements on Array by Performing Queries

Leetcode 3079: Find the Sum of Encrypted Integers

Leetcode 3079: Find the Sum of Encrypted Integers

Leetcode 1171: Remove Zero Sum Consecutive Nodes from Linked List

Leetcode 1171: Remove Zero Sum Consecutive Nodes from Linked List

Leetcode 791: Custom Sort String

Leetcode 791: Custom Sort String

Leetcode 1750: Minimum Length of String After Deleting Similar Ends

Leetcode 1750: Minimum Length of String After Deleting Similar Ends

Leetcode 3071: Minimum Operations to Write the Letter Y on a Grid

Leetcode 3071: Minimum Operations to Write the Letter Y on a Grid

Leetcode 3070: Count Submatrices with Top-Left Element and Sum Less Than k

Leetcode 3070: Count Submatrices with Top-Left Element and Sum Less Than k

Leetcode 948: Bag of Tokens

Leetcode 948: Bag of Tokens

Leetcode 3066: Minimum Operations to Exceed Threshold Value II

Leetcode 3066: Minimum Operations to Exceed Threshold Value II

Leetcode 543: Diameter of Binary Tree

Leetcode 543: Diameter of Binary Tree

Leetcode 3048: Earliest Second to Mark Indices I

Leetcode 3048: Earliest Second to Mark Indices I

Leetcode 3047: Find the Largest Area of Square Inside Two Rectangles

Leetcode 3047: Find the Largest Area of Square Inside Two Rectangles

Leetcode 100: Same Tree

Leetcode 100: Same Tree

Leetcode 2709: Greatest Common Divisor Traversal

Leetcode 2709: Greatest Common Divisor Traversal

Leetcode 2092: Find All People With Secret

Leetcode 2092: Find All People With Secret

Leetcode 201: Bitwise AND of Numbers Range

Leetcode 201: Bitwise AND of Numbers Range

Leetcode 3043: Find the Length of the Longest Common Prefix | Weekly Contest

Leetcode 3043: Find the Length of the Longest Common Prefix | Weekly Contest

Leetcode 1481: Least Number of Unique Integers after K Removals

Leetcode 1481: Least Number of Unique Integers after K Removals

Leetcode 2971: Find Polygon With the Largest Perimeter

Leetcode 2971: Find Polygon With the Largest Perimeter

Leetcode 2149: Rearrange Array Elements by Sign

Leetcode 2149: Rearrange Array Elements by Sign

Leetcode 2108: Find First Palindromic String in the Array

Leetcode 2108: Find First Palindromic String in the Array

Leetcode 3035: Maximum Palindromes After Operations

Leetcode 3035: Maximum Palindromes After Operations

Leetcode 169: Majority Element

Leetcode 169: Majority Element

Leetcode 3034: Number of Subarrays That Match a Pattern I | Weekly Contest

Leetcode 3034: Number of Subarrays That Match a Pattern I | Weekly Contest

Leetcode 451: Sort Characters By Frequency

Leetcode 451: Sort Characters By Frequency

Leetcode 3026: Maximum Good Subarray Sum

Leetcode 3026: Maximum Good Subarray Sum

Leetcode 3025: Find the Number of Ways to Place People I | Biweekly Contest

Leetcode 3025: Find the Number of Ways to Place People I | Biweekly Contest

January 2024 Algorithms and Leetcode Training Report

January 2024 Algorithms and Leetcode Training Report

Leetcode 3030. Find the Grid of Region Average

Leetcode 3030. Find the Grid of Region Average

Leetcode 3029: Minimum Time to Revert Word to Initial State | Weekly Contest

Leetcode 3029: Minimum Time to Revert Word to Initial State | Weekly Contest

Leetcode 931: Minimum Falling Path Sum

Leetcode 931: Minimum Falling Path Sum

Leetcode 3007: Maximum Number That Sum of the Prices Is Less Than or Equal to K

Leetcode 3007: Maximum Number That Sum of the Prices Is Less Than or Equal to K

Leetcode 3006: Find Beautiful Indices in the Given Array I | Weekly Contest

Leetcode 3006: Find Beautiful Indices in the Given Array I | Weekly Contest

Leetcode 2998: Minimum Number of Operations to Make X and Y Equal | Biweekly Contest

Leetcode 2998: Minimum Number of Operations to Make X and Y Equal | Biweekly Contest

Leetcode 2385: Amount of Time for Binary Tree to Be Infected

Leetcode 2385: Amount of Time for Binary Tree to Be Infected

Leetcode 2997: Minimum Number of Operations to Make Array XOR Equal to K | Biweekly Contest

Leetcode 2997: Minimum Number of Operations to Make Array XOR Equal to K | Biweekly Contest

Leetcode 3002: Maximum Size of a Set After Removals | Weekly Contest

Leetcode 3002: Maximum Size of a Set After Removals | Weekly Contest

Leetcode 872: Leaf-Similar Trees

Leetcode 872: Leaf-Similar Trees

Leetcode 3001: Minimum Moves to Capture The Queen | Weekly Contest

Leetcode 3001: Minimum Moves to Capture The Queen | Weekly Contest

Leetcode 938: Range Sum of BST

Leetcode 938: Range Sum of BST

Leetcode 446: Arithmetic Slices II - Subsequence

Leetcode 446: Arithmetic Slices II - Subsequence

December 2023 Algorithms Training Report

December 2023 Algorithms Training Report

Leetcode 2870: Minimum Number of Operations to Make Array Empty

Leetcode 2870: Minimum Number of Operations to Make Array Empty

Leetcode 2706: Buy Two Chocolates

Leetcode 2706: Buy Two Chocolates

Leetcode 1552: Magnetic Force Between Two Balls

Leetcode 1552: Magnetic Force Between Two Balls

Leetcode 1582: Special Positions in a Binary Matrix

Leetcode 1582: Special Positions in a Binary Matrix

Leetcode 1716: Calculate Money in Leetcode Bank

Leetcode 1716: Calculate Money in Leetcode Bank

Leetcode 1688: Count of Matches in Tournament

Leetcode 1688: Count of Matches in Tournament

Leetcode 1266: Minimum Time Visiting All Points

Leetcode 1266: Minimum Time Visiting All Points

Leetcode 1160: Find Words That Can Be Formed by Characters

Leetcode 1160: Find Words That Can Be Formed by Characters

Leetcode 1611: Minimum One Bit Operations to Make Integers Zero

Leetcode 1611: Minimum One Bit Operations to Make Integers Zero

Bit Manipulation for Coding Interviews

Bit Manipulation for Coding Interviews

Leetcode 191: Number of 1 Bits

Leetcode 191: Number of 1 Bits

Leetcode 935: Knight Dialer

Leetcode 935: Knight Dialer

Leetcode 2943: Maximize Area of Square Hole in Grid

Leetcode 2943: Maximize Area of Square Hole in Grid

Leetcode 2944: Minimum Number of Coins for Fruits

Leetcode 2944: Minimum Number of Coins for Fruits

Leetcode 1727: Largest Submatrix With Rearrangements

Leetcode 1727: Largest Submatrix With Rearrangements

Leetcode Daily Challenge: Largest Submatrix With Rearrangements (Leetcode 1727)

Leetcode Daily Challenge: Largest Submatrix With Rearrangements (Leetcode 1727)

Search a 2D Matrix - Leetcode 74

Search a 2D Matrix - Leetcode 74

Check if it is Possible to Split Array - Leetcode 2811

Check if it is Possible to Split Array - Leetcode 2811

Number of Music Playlists - Leetcode 920

Number of Music Playlists - Leetcode 920

Unique Binary Search Trees II - Leetcode 95

Unique Binary Search Trees II - Leetcode 95

Combinations - Leetcode 77

Combinations - Leetcode 77

Minimum ASCII Delete Sum for Two Strings - Leetcode 712

Minimum ASCII Delete Sum for Two Strings - Leetcode 712

Predict the Winner - Leetcode 486

Predict the Winner - Leetcode 486

Maximum Running Time of N Computers - Leetcode 2141

Maximum Running Time of N Computers - Leetcode 2141

Minimum Speed to Arrive on Time - Leetcode 1870

Minimum Speed to Arrive on Time - Leetcode 1870

Peak Index in a Mountain Array - Leetcode 852

Peak Index in a Mountain Array - Leetcode 852

Asteroid Collision - Leetcode 735 - Python

Asteroid Collision - Leetcode 735 - Python

LRU Cache - Leetcode 146

LRU Cache - Leetcode 146

Add Two Numbers II - Leetcode 445

Add Two Numbers II - Leetcode 445

Minimum Index of a Valid Split - Leetcode 2780 | Weekly Contest 354

Minimum Index of a Valid Split - Leetcode 2780 | Weekly Contest 354

Maximum Beauty of an Array After Applying Operation - Leetcode 2779 | Weekly Contest 354

Maximum Beauty of an Array After Applying Operation - Leetcode 2779 | Weekly Contest 354

Maximum Width Ramp - Leetcode 962

Maximum Width Ramp - Leetcode 962

Maximum Number of Events That Can Be Attended II - Leetcode 1751

Maximum Number of Events That Can Be Attended II - Leetcode 1751

Longest Arithmetic Subsequence of Given Difference - Leetcode 1218

Longest Arithmetic Subsequence of Given Difference - Leetcode 1218

Find Eventual Safe States - Leetcode 802 - Python

Find Eventual Safe States - Leetcode 802 - Python

All Nodes Distance K in Binary Tree - Leetcode 863 - Python

All Nodes Distance K in Binary Tree - Leetcode 863 - Python

Make Array Strictly Increasing - Leetcode 1187 - Python

Make Array Strictly Increasing - Leetcode 1187 - Python

Minimum Absolute Difference in BST - Leetcode 530 - Python

Minimum Absolute Difference in BST - Leetcode 530 - Python

Equal Row and Column Pairs - Leetcode 2352

Equal Row and Column Pairs - Leetcode 2352

Sum of Matrix After Queries - Leetcode 2718 - Python

Sum of Matrix After Queries - Leetcode 2718 - Python

Semi-Ordered Permutation - Leetcode 2717 - Python

Semi-Ordered Permutation - Leetcode 2717 - Python

Minimize String Length - Leetcode 2716 - Python

Minimize String Length - Leetcode 2716 - Python

Number of Provinces - Leetcode 547 - Python

Number of Provinces - Leetcode 547 - Python

Detonate the Maximum Bombs - Leetcode 2101 - Python

Detonate the Maximum Bombs - Leetcode 2101 - Python

Shortest Path in Binary Matrix - Leetcode 1091 - Python

Shortest Path in Binary Matrix - Leetcode 1091 - Python

Design Underground System - Leetcode 1396 - Python

Design Underground System - Leetcode 1396 - Python

Design HashSet - Leetcode 705 - Python

Design HashSet - Leetcode 705 - Python

Minimum Cost to Make All Characters Equal - Leetcode 2712

Minimum Cost to Make All Characters Equal - Leetcode 2712

Difference of Number of Distinct Values on Diagonals - Leetcode 2711 - Python

Difference of Number of Distinct Values on Diagonals - Leetcode 2711 - Python

Remove Trailing Zeros From a String - Leetcode 2710

Remove Trailing Zeros From a String - Leetcode 2710

Array of Objects to Matrix - Leetcode 2675 - Python

Array of Objects to Matrix - Leetcode 2675 - Python

Convert Object to JSON String - Leetcode 2633

Convert Object to JSON String - Leetcode 2633

Find the Punishment Number of an Integer - Leetcode 2698 - Python

Find the Punishment Number of an Integer - Leetcode 2698 - Python

Lexicographically Smallest Palindrome - Leetcode 2697 - Python

Lexicographically Smallest Palindrome - Leetcode 2697 - Python

Minimum String Length After Removing Substrings - Leetcode 2696 - Python

Minimum String Length After Removing Substrings - Leetcode 2696 - Python

Top Travellers - Leetcode 1407 - SQL

Top Travellers - Leetcode 1407 - SQL

Counter II - Leetcode 2665 - Python

Counter II - Leetcode 2665 - Python

Evaluate Division - Leetcode 399 - Python

Evaluate Division - Leetcode 399 - Python

Maximum Twin Sum of a Linked List - Leetcode 2130 - Python

Maximum Twin Sum of a Linked List - Leetcode 2130 - Python

Find the Losers of the Circular Game - Leetcode 2682

Find the Losers of the Circular Game - Leetcode 2682

Spiral Matrix - Leetcode 54 - Python

Spiral Matrix - Leetcode 54 - Python

Matrix Diagonal Sum - Leetcode 1572 - Python

Matrix Diagonal Sum - Leetcode 1572 - Python

Make Costs of Paths Equal in a Binary Tree - Leetcode 2673 - Python

Make Costs of Paths Equal in a Binary Tree - Leetcode 2673 - Python

Find the Distinct Difference Array - Leetcode 2670 - Python

Find the Distinct Difference Array - Leetcode 2670 - Python

Frequency Tracker - Leetcode 2671 - Python

Frequency Tracker - Leetcode 2671 - Python

Number of Adjacent Elements With the Same Color - Leetcode 2672 - Python

Number of Adjacent Elements With the Same Color - Leetcode 2672 - Python

Maximum Number of Vowels in a Substring of Given Length - Leetcode 1456 - Python

Maximum Number of Vowels in a Substring of Given Length - Leetcode 1456 - Python

Dota2 Senate - Leetcode 649 - Python

Dota2 Senate - Leetcode 649 - Python

Find the Difference of Two Arrays - Leetcode 2215 - Python

Find the Difference of Two Arrays - Leetcode 2215 - Python

Sign of the Product of an Array - Leetcode 1822 - Python

Sign of the Product of an Array - Leetcode 1822 - Python

Average Salary Excluding the Minimum and Maximum Salary - Leetcode 1491 - Python

Average Salary Excluding the Minimum and Maximum Salary - Leetcode 1491 - Python

First Completely Painted Row or Column - Leetcode 2661 - Python

First Completely Painted Row or Column - Leetcode 2661 - Python

Add Digits - Leetcode 258 - Python

Add Digits - Leetcode 258 - Python

Smallest Number in Infinite Set - Leetcode 2336 - Python

Smallest Number in Infinite Set - Leetcode 2336 - Python

Minimum Number of Operations to Make All Array Elements Equal to 1 - Leetcode 2654 - Python

Minimum Number of Operations to Make All Array Elements Equal to 1 - Leetcode 2654 - Python

Sliding Subarray Beauty - Leetcode 2653 - Python | Weekly 342

Sliding Subarray Beauty - Leetcode 2653 - Python | Weekly 342

Calculate Delayed Arrival Time - Leetcode 2651 - Python | Weekly 342

Calculate Delayed Arrival Time - Leetcode 2651 - Python | Weekly 342

Sum Multiples - Leetcode 2652 - Python | Weekly 342

Sum Multiples - Leetcode 2652 - Python | Weekly 342

Profitable Schemes - Leetcode 879 - Python

Profitable Schemes - Leetcode 879 - Python

Maximum Width of Binary Tree - Leetcode 662 - Python

Maximum Width of Binary Tree - Leetcode 662 - Python

Longest ZigZag Path in a Binary Tree - Leetcode 1372 - Python

Longest ZigZag Path in a Binary Tree - Leetcode 1372 - Python

Merge Strings Alternately - Leetcode 1768 - Python

Merge Strings Alternately - Leetcode 1768 - Python

Kids With the Greatest Number of Candies - Leetcode 1431 - Python

Kids With the Greatest Number of Candies - Leetcode 1431 - Python

Minimize the Total Price of the Trips - Leetcode 2646 - Python

Minimize the Total Price of the Trips - Leetcode 2646 - Python

Design Graph With Shortest Path Calculator - Leetcode 2642 - Python

Design Graph With Shortest Path Calculator - Leetcode 2642 - Python

Minimum Additions to Make Valid String - Leetcode 2645 - Python

Minimum Additions to Make Valid String - Leetcode 2645 - Python

Find the Maximum Divisibility Score - Leetcode 2644 - Python

Find the Maximum Divisibility Score - Leetcode 2644 - Python

Row With Maximum Ones - Leetcode 2643 - Python

Row With Maximum Ones - Leetcode 2643 - Python

Number of Ways to Form a Target String Given a Dictionary - Leetcode 1639 - Python

Number of Ways to Form a Target String Given a Dictionary - Leetcode 1639 - Python

Cousins in Binary Tree II - Leetcode 2641 - Python

Cousins in Binary Tree II - Leetcode 2641 - Python

Find the Score of All Prefixes of an Array - Leetcode 2640 - Python

Find the Score of All Prefixes of an Array - Leetcode 2640 - Python

Leetcode 2218: Maximum Value of K Coins From Piles

Leetcode 2218: Maximum Value of K Coins From Piles

Leetcode 2639: Find the Width of Columns of a Grid

Leetcode 2639: Find the Width of Columns of a Grid

Leetcode 516: Longest Palindromic Subsequence

Leetcode 516: Longest Palindromic Subsequence

Leetcode 946: Validate Stack Sequences

Leetcode 946: Validate Stack Sequences

Leetcode 71: Simplify Path

Leetcode 71: Simplify Path

Leetcode 1003: Check If Word Is Valid After Substitutions

Leetcode 1003: Check If Word Is Valid After Substitutions

Leetcode 20: Valid Parentheses

Leetcode 20: Valid Parentheses

Leetcode 2617: Minimum Number of Visited Cells in a Grid

Leetcode 2617: Minimum Number of Visited Cells in a Grid

Leetcode 2614: Prime In Diagonal

Leetcode 2614: Prime In Diagonal

Leetcode 2615: Sum of Distances

Leetcode 2615: Sum of Distances

Leetcode 2616: Minimize the Maximum Difference of Pairs

Leetcode 2616: Minimize the Maximum Difference of Pairs

Leetcode 133: Clone Graph

Leetcode 133: Clone Graph

Leetcode 2439: Minimize Maximum of Array

Leetcode 2439: Minimize Maximum of Array