3500–3599

Problems in this range: 100

• 3500. Minimum Cost to Divide Array Into Subarrays
• 3501. Maximize Active Section with Trade II
• 3502. Minimum Cost to Reach Every Position
• 3503. Longest Palindrome After Substring Concatenation I
• 3504. Longest Palindrome After Substring Concatenation II
• 3505. Minimum Operations to Make Elements Within K Subarrays Equal
• 3506. Find Time Required to Eliminate Bacterial Strains 🔒
• 3507. Minimum Pair Removal to Sort Array I
• 3508. Implement Router
• 3509. Maximum Product of Subsequences With an Alternating Sum Equal to K
• 3510. Minimum Pair Removal to Sort Array II
• 3511. Make a Positive Array 🔒
• 3512. Minimum Operations to Make Array Sum Divisible by K
• 3513. Number of Unique XOR Triplets I
• 3514. Number of Unique XOR Triplets II
• 3515. Shortest Path in a Weighted Tree
• 3516. Find Closest Person
• 3517. Smallest Palindromic Rearrangement I
• 3518. Smallest Palindromic Rearrangement II
• 3519. Count Numbers with Non-Decreasing Digits
• 3520. Minimum Threshold for Inversion Pairs Count 🔒
• 3521. Find Product Recommendation Pairs
• 3522. Calculate Score After Performing Instructions
• 3523. Make Array Non-decreasing
• 3524. Find X Value of Array I
• 3525. Find X Value of Array II
• 3526. Range XOR Queries with Subarray Reversals 🔒
• 3527. Find the Most Common Response
• 3528. Unit Conversion I
• 3529. Count Cells in Overlapping Horizontal and Vertical Substrings
• 3530. Maximum Profit from Valid Topological Order in DAG
• 3531. Count Covered Buildings
• 3532. Path Existence Queries in a Graph I
• 3533. Concatenated Divisibility
• 3534. Path Existence Queries in a Graph II
• 3535. Unit Conversion II 🔒
• 3536. Maximum Product of Two Digits
• 3537. Fill a Special Grid
• 3538. Merge Operations for Minimum Travel Time
• 3539. Find Sum of Array Product of Magical Sequences
• 3540. Minimum Time to Visit All Houses 🔒
• 3541. Find Most Frequent Vowel and Consonant
• 3542. Minimum Operations to Convert All Elements to Zero
• 3543. Maximum Weighted K-Edge Path
• 3544. Subtree Inversion Sum
• 3545. Minimum Deletions for At Most K Distinct Characters
• 3546. Equal Sum Grid Partition I
• 3547. Maximum Sum of Edge Values in a Graph
• 3548. Equal Sum Grid Partition II
• 3549. Multiply Two Polynomials 🔒
• 3550. Smallest Index With Digit Sum Equal to Index
• 3551. Minimum Swaps to Sort by Digit Sum
• 3552. Grid Teleportation Traversal
• 3553. Minimum Weighted Subgraph With the Required Paths II
• 3554. Find Category Recommendation Pairs
• 3555. Smallest Subarray to Sort in Every Sliding Window 🔒
• 3556. Sum of Largest Prime Substrings
• 3557. Find Maximum Number of Non Intersecting Substrings
• 3558. Number of Ways to Assign Edge Weights I
• 3559. Number of Ways to Assign Edge Weights II
• 3560. Find Minimum Log Transportation Cost
• 3561. Resulting String After Adjacent Removals
• 3562. Maximum Profit from Trading Stocks with Discounts
• 3563. Lexicographically Smallest String After Adjacent Removals
• 3564. Seasonal Sales Analysis
• 3565. Sequential Grid Path Cover 🔒
• 3566. Partition Array into Two Equal Product Subsets
• 3567. Minimum Absolute Difference in Sliding Submatrix
• 3568. Minimum Moves to Clean the Classroom
• 3569. Maximize Count of Distinct Primes After Split
• 3570. Find Books with No Available Copies
• 3571. Find the Shortest Superstring II 🔒
• 3572. Maximize Y‑Sum by Picking a Triplet of Distinct X‑Values
• 3573. Best Time to Buy and Sell Stock V
• 3574. Maximize Subarray GCD Score
• 3575. Maximum Good Subtree Score
• 3576. Transform Array to All Equal Elements
• 3577. Count the Number of Computer Unlocking Permutations
• 3578. Count Partitions With Max-Min Difference at Most K
• 3579. Minimum Steps to Convert String with Operations
• 3580. Find Consistently Improving Employees
• 3581. Count Odd Letters from Number 🔒
• 3582. Generate Tag for Video Caption
• 3583. Count Special Triplets
• 3584. Maximum Product of First and Last Elements of a Subsequence
• 3585. Find Weighted Median Node in Tree
• 3586. Find COVID Recovery Patients
• 3587. Minimum Adjacent Swaps to Alternate Parity
• 3588. Find Maximum Area of a Triangle
• 3589. Count Prime-Gap Balanced Subarrays
• 3590. Kth Smallest Path XOR Sum
• 3591. Check if Any Element Has Prime Frequency
• 3592. Inverse Coin Change
• 3593. Minimum Increments to Equalize Leaf Paths
• 3594. Minimum Time to Transport All Individuals
• 3595. Once Twice 🔒
• 3596. Minimum Cost Path with Alternating Directions I 🔒
• 3597. Partition String
• 3598. Longest Common Prefix Between Adjacent Strings After Removals
• 3599. Partition Array to Minimize XOR