Date Rating Stats
Id
 Name Contest Tags
today
1885
3565 Sequential Grid Path Cover
May 25, 2025
1956
3564 Seasonal Sales Analysis database
database
May 25, 2025
1049
3560 Find Minimum Log Transportation Cost Weekly Contest 451
May 25, 2025
1210
3561 Resulting String After Adjacent Removals Weekly Contest 451
May 25, 2025
2382
3562 Maximum Profit from Trading Stocks with Discounts Weekly Contest 451
May 25, 2025
2488
3563 Lexicographically Smallest Strin…g After Adjacent Removals Weekly Contest 451
May 24, 2025
963
3556 Sum of Largest Prime Substrings Biweekly Contest 157
hash table math number theory sorting string
May 24, 2025
1611
3557 Find Maximum Number of Non Intersecting Substrings Biweekly Contest 157
dynamic programming greedy hash table string
May 24, 2025
1711
3558 Number of Ways to Assign Edge Weights I Biweekly Contest 157
depth-first search math tree
May 24, 2025
2024
3559 Number of Ways to Assign Edge Weights II Biweekly Contest 157
array depth-first search dynamic programming math tree
May 20, 2025
1904
3555 Smallest Subarray to Sort in Every Sliding Window
array greedy monotonic stack sorting stack two pointers
May 19, 2025
2604
3554 Find Category Recommendation Pairs database
database
May 18, 2025
511
3550 Smallest Index With Digit Sum Equal to Index Weekly Contest 450
array math
May 18, 2025
1419
3551 Minimum Swaps to Sort by Digit Sum Weekly Contest 450
array hash table sorting
May 18, 2025
2009
3552 Grid Teleportation Traversal Weekly Contest 450
array breadth-first search hash table matrix
May 18, 2025
2413
3553 Minimum Weighted Subgraph W…ith the Required Paths II Weekly Contest 450
array depth-first search tree
May 13, 2025
2553
3549 Multiply Two Polynomials
array math
May 11, 2025
583
3545 Minimum Deletions for At M…ost K Distinct Characters Weekly Contest 449
counting greedy hash table sorting string
May 11, 2025
1287
3546 Equal Sum Grid Partition I Weekly Contest 449
array enumeration matrix prefix sum
May 11, 2025
2271
3548 Equal Sum Grid Partition II Weekly Contest 449
array enumeration hash table matrix prefix sum
May 11, 2025
2366
3547 Maximum Sum of Edge Values in a Graph Weekly Contest 449
depth-first search graph greedy sorting
May 10, 2025
543
3541 Find Most Frequent Vowel and Consonant Biweekly Contest 156
counting hash table string
May 10, 2025
1822
3542 Minimum Operations to Convert All Elements to Zero Biweekly Contest 156
array greedy hash table monotonic stack stack
May 10, 2025
2092
3543 Maximum Weighted K-Edge Path Biweekly Contest 156
dynamic programming graph hash table
May 10, 2025
2551
3544 Subtree Inversion Sum Biweekly Contest 156
array depth-first search dynamic programming tree
May 6, 2025
1905
3540 Minimum Time to Visit All Houses
array prefix sum
May 4, 2025
570
3536 Maximum Product of Two Digits Weekly Contest 448
math sorting
May 4, 2025
1452
3537 Fill a Special Grid Weekly Contest 448
array divide and conquer matrix
May 4, 2025
2453
3538 Merge Operations for Minimum Travel Time Weekly Contest 448
array dynamic programming prefix sum
May 4, 2025
2693
3539 Find Sum of Array Product of Magical Sequences Weekly Contest 448
array bit manipulation bitmask combinatorics dynamic programming math
April 29, 2025
1901
3535 Unit Conversion II
array breadth-first search depth-first search graph math
April 27, 2025
1112
3531 Count Covered Buildings Weekly Contest 447
array hash table sorting
April 27, 2025
1480
3532 Path Existence Queries in a Graph I Weekly Contest 447
array binary search graph union find
April 27, 2025
2242
3533 Concatenated Divisibility Weekly Contest 447
array bit manipulation bitmask dynamic programming
April 27, 2025
2508
3534 Path Existence Queries in a Graph II Weekly Contest 447
array binary search graph greedy sorting
April 26, 2025
585
3527 Find the Most Common Response Biweekly Contest 155
array counting hash table string
April 26, 2025
1449
3528 Unit Conversion I Biweekly Contest 155
breadth-first search depth-first search graph
April 26, 2025
2116
3529 Count Cells in Overlapping Horizonta…l and Vertical Substrings Biweekly Contest 155
array hash function matrix rolling hash string string matching
April 26, 2025
2374
3530 Maximum Profit from Valid Topological Order in DAG Biweekly Contest 155
array bit manipulation bitmask dynamic programming graph topological sort
April 22, 2025
2553
3526 Range XOR Queries with Subarray Reversals
array binary tree tree
April 20, 2025
741
3522 Calculate Score After Performing Instructions Weekly Contest 446
array hash table simulation string
April 20, 2025
1304
3523 Make Array Non-decreasing Weekly Contest 446
array greedy monotonic stack stack
April 20, 2025
1981
3524 Find X Value of Array I Weekly Contest 446
array dynamic programming math
April 20, 2025
2647
3525 Find X Value of Array II Weekly Contest 446
array math segment tree
April 17, 2025
2000
3521 Find Product Recommendation Pairs database
database
April 15, 2025
2045
3520 Minimum Threshold for Inversion Pairs Count
array binary indexed tree binary search segment tree
April 13, 2025
717
3516 Find Closest Person Weekly Contest 445
math
April 13, 2025
1235
3517 Smallest Palindromic Rearrangement I Weekly Contest 445
counting sort sorting string
April 13, 2025
2268
3519 Count Numbers with Non-Decreasing Digits Weekly Contest 445
dynamic programming math string
April 13, 2025
2389
3518 Smallest Palindromic Rearrangement II Weekly Contest 445
combinatorics counting hash table math string
more