LeetCode 15xx
LeetCode problems 1500–1599
LeetCode 15xx
| # | Problem | Difficulty | Time | Notes |
|---|---|---|---|---|
| 1500 | Design a File Sharing System | 🟡 Medium | 1m 26s | This problem asks us to design a miniature peer-to-peer file sharin… |
| 1501 | Countries You Can Safely Invest In | 🟡 Medium | 1m 2s | This is a SQL database problem where we need to identify countries … |
| 1502 | Can Make Arithmetic Progression From Sequence | 🟢 Easy | 52s | The problem asks us to determine whether the elements of a given ar… |
| 1503 | Last Moment Before All Ants Fall Out of a Plank | 🟡 Medium | 55s | The problem describes a plank of length n on which ants are walking… |
| 1504 | Count Submatrices With All Ones | 🟡 Medium | 1m 34s | The problem gives us an m x n binary matrix where each cell contain… |
| 1505 | Minimum Possible Integer After at Most K Adjacent Swaps On Digits | 🔴 Hard | 1m 16s | The problem gives us a numeric string num and an integer k. Each op… |
| 1506 | Find Root of N-Ary Tree | 🟡 Medium | 1m 7s | This problem gives us every node of an N-ary tree in an arbitrary o… |
| 1507 | Reformat Date | 🟢 Easy | 1m 14s | The problem gives a date string in a human readable format such as … |
| 1508 | Range Sum of Sorted Subarray Sums | 🟡 Medium | 56s | The problem requires calculating the sum of a subrange of all possi… |
| 1509 | Minimum Difference Between Largest and Smallest Value in Three Moves | 🟡 Medium | 1m 9s | The problem gives us an integer array nums, and we are allowed to p… |
| 1510 | Stone Game IV | 🔴 Hard | 1m 11s | This problem is a two-player combinatorial game problem where Alice… |
| 1511 | Customer Order Frequency | 🟢 Easy | 58s | This problem asks us to identify customers who consistently spend a… |
| 1512 | Number of Good Pairs | 🟢 Easy | 1m 16s | The problem gives us an integer array nums and asks us to count how… |
| 1513 | Number of Substrings With Only 1s | 🟡 Medium | 1m 7s | The problem gives a binary string s, consisting only of the charact… |
| 1514 | Path with Maximum Probability | 🟡 Medium | 55s | Your requested guide is substantial enough that a high quality vers… |
| 1515 | Best Position for a Service Centre | 🔴 Hard | 52s | The problem asks us to find the optimal location for a service cent… |
| 1516 | Move Sub-Tree of N-Ary Tree | 🔴 Hard | 1m 45s | This problem asks us to modify the structure of an N-ary tree by mo… |
| 1517 | Find Users With Valid E-Mails | 🟢 Easy | 1m 24s | This problem asks us to query a database table named Users and retu… |
| 1518 | Water Bottles | 🟢 Easy | 40s | The problem is asking us to determine the maximum number of water b… |
| 1519 | Number of Nodes in the Sub-Tree With the Same Label | 🟡 Medium | 49s | The problem gives us a tree with n nodes numbered from 0 to n - 1. … |
| 1520 | Maximum Number of Non-Overlapping Substrings | 🔴 Hard | 1m 18s | This problem asks us to select as many non-overlapping substrings a… |
| 1521 | Find a Value of a Mysterious Function Closest to Target | 🔴 Hard | 1m 10s | The problem defines a mysterious function func(arr, l, r) that comp… |
| 1522 | Diameter of N-Ary Tree | 🟡 Medium | 1m 12s | This problem asks us to compute the diameter of an N-ary tree. An N… |
| 1523 | Count Odd Numbers in an Interval Range | 🟢 Easy | 1m 37s | The problem gives two non-negative integers, low and high, represen… |
| 1524 | Number of Sub-arrays With Odd Sum | 🟡 Medium | 54s | The problem asks us to count the number of subarrays within a given… |
| 1525 | Number of Good Ways to Split a String | 🟡 Medium | 1m 26s | The problem asks us to count how many ways we can split a string in… |
| 1526 | Minimum Number of Increments on Subarrays to Form a Target Array | 🔴 Hard | 1m 28s | The problem gives us a target array and asks us to build it startin… |
| 1527 | Patients With a Condition | 🟢 Easy | 1m 29s | The problem asks us to query a database table Patients and return t… |
| 1528 | Shuffle String | 🟢 Easy | 1m 4s | The problem asks us to take a string s and an integer array indices… |
| 1529 | Minimum Suffix Flips | 🟡 Medium | 53s | This problem is asking us to transform an initial binary string s (… |
| 1530 | Number of Good Leaf Nodes Pairs | 🟡 Medium | 1m 29s | This problem gives us the root of a binary tree and an integer dist… |
| 1531 | String Compression II | 🔴 Hard | 1m 30s | The problem asks us to minimize the length of a run-length encoded … |
| 1532 | The Most Recent Three Orders | 🟡 Medium | 1m 8s | This problem asks us to retrieve the three most recent orders for e… |
| 1533 | Find the Index of the Large Integer | 🟡 Medium | 53s | The problem presents an array arr where all elements are equal exce… |
| 1534 | Count Good Triplets | 🟢 Easy | 1m 25s | The problem asks us to count the number of good triplets in an inte… |
| 1535 | Find the Winner of an Array Game | 🟡 Medium | 1m 11s | The problem describes a competitive game played on an array of dist… |
| 1536 | Minimum Swaps to Arrange a Binary Grid | 🟡 Medium | 1m 32s | The problem gives us an n x n binary matrix called grid. Each cell … |
| 1537 | Get the Maximum Score | 🔴 Hard | 49s | Here’s a complete, detailed technical solution guide for LeetCode 1… |
| 1538 | Guess the Majority in a Hidden Array | 🟡 Medium | 1m 46s | This problem is an interactive problem. We do not receive the actua… |
| 1539 | Kth Missing Positive Number | 🟢 Easy | 1m 12s | The problem gives us a strictly increasing array of positive intege… |
| 1540 | Can Convert String in K Moves | 🟡 Medium | 55s | The problem is asking whether it is possible to convert one string … |
| 1541 | Minimum Insertions to Balance a Parentheses String | 🟡 Medium | 1m 15s | This problem asks us to transform a string of parentheses into a sp… |
| 1542 | Find Longest Awesome Substring | 🔴 Hard | 53s | The problem asks us to find the length of the longest awesome subst… |
| 1543 | Fix Product Name Format | 🟢 Easy | 54s | The problem asks us to clean and aggregate sales data from a Sales … |
| 1544 | Make The String Great | 🟢 Easy | 46s | The problem asks us to process a string s consisting of lowercase a… |
| 1545 | Find Kth Bit in Nth Binary String | 🟡 Medium | 1m 20s | The problem defines a recursively constructed binary string sequenc… |
| 1546 | Maximum Number of Non-Overlapping Subarrays With Sum Equals Target | 🟡 Medium | 1m | This problem asks us to find the maximum number of non-overlapping … |
| 1547 | Minimum Cost to Cut a Stick | 🔴 Hard | 59s | The problem asks us to determine the minimum total cost of cutting … |
| 1548 | The Most Similar Path in a Graph | 🔴 Hard | 1m 52s | The problem gives us an undirected connected graph where each node … |
| 1549 | The Most Recent Orders for Each Product | 🟡 Medium | 1m 37s | This problem asks us to find the most recent order for every produc… |
| 1550 | Three Consecutive Odds | 🟢 Easy | 51s | This problem asks us to examine a list of integers, arr, and determ… |
| 1551 | Minimum Operations to Make Array Equal | 🟡 Medium | 51s | The problem presents an array arr of length n where each element is… |
| 1552 | Magnetic Force Between Two Balls | 🟡 Medium | 48s | The problem asks us to distribute m balls into n baskets located at… |
| 1553 | Minimum Number of Days to Eat N Oranges | 🔴 Hard | 1m 18s | This problem asks us to compute the minimum number of days required… |
| 1554 | Strings Differ by One Character | 🟡 Medium | 1m 15s | This problem gives us an array of unique strings called dict, where… |
| 1555 | Bank Account Summary | 🟡 Medium | 1m 33s | The problem gives us two database tables, Users and Transactions, a… |
| 1556 | Thousand Separator | 🟢 Easy | 1m 9s | The problem asks us to format a non-negative integer so that every … |
| 1557 | Minimum Number of Vertices to Reach All Nodes | 🟡 Medium | 54s | The problem is asking us to identify the minimum set of vertices in… |
| 1558 | Minimum Numbers of Function Calls to Make Target Array | 🟡 Medium | 55s | This problem asks us to transform an initial array arr of zeros int… |
| 1559 | Detect Cycles in 2D Grid | 🟡 Medium | 55s | The problem asks us to detect cycles in a 2D grid of characters whe… |
| 1560 | Most Visited Sector in a Circular Track | 🟢 Easy | 1m 22s | In this problem, we are given a circular track divided into n secto… |
| 1561 | Maximum Number of Coins You Can Get | 🟡 Medium | 1m 21s | The problem gives us an array called piles, where each element repr… |
| 1562 | Find Latest Group of Size M | 🟡 Medium | 1m 31s | Edit This problem gives us a permutation array arr containing integ… |
| 1563 | Stone Game V | 🔴 Hard | 1m 31s | In this game, we are given an array stoneValue where each element r… |
| 1564 | Put Boxes Into the Warehouse I | 🟡 Medium | 1m 32s | The problem gives us two arrays: - boxes, where each value represen… |
| 1565 | Unique Orders and Customers Per Month | 🟢 Easy | 39s | This problem requires analyzing a table of orders to calculate mont… |
| 1566 | Detect Pattern of Length M Repeated K or More Times | 🟢 Easy | 1m 18s | The problem gives us an integer array arr and two integers, m and k… |
| 1567 | Maximum Length of Subarray With Positive Product | 🟡 Medium | 1m 25s | The problem asks us to find the length of the longest contiguous su… |
| 1568 | Minimum Number of Days to Disconnect Island | 🔴 Hard | 1m 34s | The problem gives us a binary matrix where each cell is either land… |
| 1569 | Number of Ways to Reorder Array to Get Same BST | 🔴 Hard | 1m 27s | The problem gives us a permutation of integers from 1 to n, and we … |
| 1570 | Dot Product of Two Sparse Vectors | 🟡 Medium | 1m 21s | This problem asks us to efficiently compute the dot product between… |
| 1571 | Warehouse Manager | 🟢 Easy | 1m 40s | This problem asks us to calculate the total storage volume occupied… |
| 1572 | Matrix Diagonal Sum | 🟢 Easy | 1m 7s | The problem gives us a square matrix mat of size n x n. A square ma… |
| 1573 | Number of Ways to Split a String | 🟡 Medium | 1m 28s | The problem gives us a binary string s, meaning the string contains… |
| 1574 | Shortest Subarray to be Removed to Make Array Sorted | 🟡 Medium | 48s | Please provide the full problem statement or LeetCode number you wa… |
| 1575 | Count All Possible Routes | 🔴 Hard | 1m 24s | This problem gives us a set of cities positioned on a number line. … |
| 1576 | Replace All ?'s to Avoid Consecutive Repeating Characters | 🟢 Easy | 44s | This problem asks us to take a string s consisting of lowercase Eng… |
| 1577 | Number of Ways Where Square of Number Is Equal to Product of Two Numbers | 🟡 Medium | 1m 35s | The problem gives us two integer arrays, nums1 and nums2. We must c… |
| 1578 | Minimum Time to Make Rope Colorful | 🟡 Medium | 1m 3s | The problem requires transforming a rope of balloons into a "colorf… |
| 1579 | Remove Max Number of Edges to Keep Graph Fully Traversable | 🔴 Hard | 59s | The problem presents an undirected graph with n nodes and three typ… |
| 1580 | Put Boxes Into the Warehouse II | 🟡 Medium | 1m 45s | In this problem, we are given two arrays: - boxes, where each value… |
| 1581 | Customer Who Visited but Did Not Make Any Transactions | 🟢 Easy | 3m | The problem gives us two database tables, Visits and Transactions. … |
| 1582 | Special Positions in a Binary Matrix | 🟢 Easy | 58s | Here is a complete, detailed technical solution guide for LeetCode … |
| 1583 | Count Unhappy Friends | 🟡 Medium | 1m 38s | In this problem, we are given n friends, where n is always even. Ev… |
| 1584 | Min Cost to Connect All Points | 🟡 Medium | 1m 30s | This problem asks us to connect all given points on a 2D plane with… |
| 1585 | Check If String Is Transformable With Substring Sort Operations | 🔴 Hard | 1m 26s | This problem asks whether we can transform one digit string, s, int… |
| 1586 | Binary Search Tree Iterator II | 🟡 Medium | 51s | The problem requires implementing a BSTIterator class that allows f… |
| 1587 | Bank Account Summary II | 🟢 Easy | 1m 26s | This problem asks us to analyze banking transaction data and determ… |
| 1588 | Sum of All Odd Length Subarrays | 🟢 Easy | 47s | The problem asks us to calculate the sum of all odd-length subarray… |
| 1589 | Maximum Sum Obtained of Any Permutation | 🟡 Medium | 1m 30s | The problem gives us an integer array nums and a collection of rang… |
| 1590 | Make Sum Divisible by P | 🟡 Medium | 55s | This problem asks us to determine the smallest contiguous subarray … |
| 1591 | Strange Printer II | 🔴 Hard | 1m 38s | In this problem, we are given a final colored matrix called targetG… |
| 1592 | Rearrange Spaces Between Words | 🟢 Easy | 48s | The problem requires rearranging spaces in a given string text so t… |
| 1593 | Split a String Into the Max Number of Unique Substrings | 🟡 Medium | 1m 29s | This problem asks us to split a string into the largest possible nu… |
| 1594 | Maximum Non Negative Product in a Matrix | 🟡 Medium | 1m 13s | The problem asks us to navigate a m x n integer matrix grid from th… |
| 1595 | Minimum Cost to Connect Two Groups of Points | 🔴 Hard | 1m 14s | The problem is asking us to find the minimum cost to connect two gr… |
| 1596 | The Most Frequently Ordered Products for Each Customer | 🟡 Medium | 1m 6s | The problem requires us to find the most frequently ordered product… |
| 1597 | Build Binary Expression Tree From Infix Expression | 🔴 Hard | 1m 40s | The problem asks us to construct a binary expression tree from a va… |
| 1598 | Crawler Log Folder | 🟢 Easy | 3m 42s | In this problem, we are simulating navigation inside a file system.… |
| 1599 | Maximum Profit of Operating a Centennial Wheel | 🟡 Medium | 1m 48s | This problem asks us to simulate the operation of a Centennial Whee… |