Date Rating Stats
Id
Name Contest Tags
yesterday
2644
3632 Subarrays with XOR at Least K
July 28, 2025
1905
3631 Sort Threats by Severity and Exploitability
July 27, 2025
514
3627 Maximum Median Sum of Subsequences of Size 3 Weekly Contest 460
July 27, 2025
1730
3628 Maximum Number of Subsequences After One Inserting Weekly Contest 460
July 27, 2025
2151
3629 Minimum Jumps to Reach End via Prime Teleportation Weekly Contest 460
July 27, 2025
2746
3630 Partition Array for Maximum XOR and AND Weekly Contest 460
array enumeration greedy math
July 24, 2025
2054
3626 Find Stores with Inventory Imbalance database
database
July 20, 2025
588
3622 Check Divisibility by Digit Sum and Product Weekly Contest 459
math
July 20, 2025
1518
3623 Count Number of Trapezoids I Weekly Contest 459
array geometry hash table math
July 20, 2025
2100
3624 Number of Integers With Popcount-Depth Equal to K II Weekly Contest 459
array segment tree
July 20, 2025
2681
3625 Count Number of Trapezoids II Weekly Contest 459
array geometry hash table math
July 19, 2025
672
3618 Split Array by Prime Indices Biweekly Contest 161
array math number theory
July 19, 2025
1370
3619 Count Islands With Total Value Divisible by K Biweekly Contest 161
array breadth-first search depth-first search matrix union find
July 19, 2025
2012
3620 Network Recovery Pathways Biweekly Contest 161
array binary search dynamic programming graph heap (priority queue) shortest path topological sort
July 19, 2025
2341
3621 Number of Integers With Popcount-Depth Equal to K I Biweekly Contest 161
combinatorics dynamic programming math
July 15, 2025
2674
3617 Find Students with Study Spiral Pattern database
database
July 14, 2025
1982
3616 Number of Student Replacements
array simulation
July 13, 2025
473
3612 Process String with Special Operations I Weekly Contest 458
simulation string
July 13, 2025
1611
3613 Minimize Maximum Component Cost Weekly Contest 458
binary search graph sort union find
July 13, 2025
2022
3614 Process String with Special Operations II Weekly Contest 458
simulation string
July 13, 2025
2492
3615 Longest Palindromic Path in Graph Weekly Contest 458
bit manipulation dynamic programming graph string
July 8, 2025
2215
3611 Find Overbooked Employees database
database
July 7, 2025
1917
3610 Minimum Number of Primes to Sum to Target
array dynamic programming math number theory
July 6, 2025
824
3606 Coupon Code Validator Weekly Contest 457
array hash table sorting string
July 6, 2025
1619
3607 Power Grid Maintenance Weekly Contest 457
array breadth-first search depth-first search graph hash table heap (priority queue) ordered set union find
July 6, 2025
1835
3608 Minimum Time for K Connected Components Weekly Contest 457
binary search graph sorting union find
July 6, 2025
2451
3609 Minimum Moves to Reach Target in Grid Weekly Contest 457
math
July 5, 2025
856
3602 Hexadecimal and Hexatrigesimal Conversion Biweekly Contest 160
math string
July 5, 2025
1540
3603 Minimum Cost Path with Alternating Directions II Biweekly Contest 160
array dynamic programming matrix
July 5, 2025
1781
3604 Minimum Time to Reach Destination in Directed Graph Biweekly Contest 160
graph heap (priority queue) shortest path
July 5, 2025
2434
3605 Minimum Stability Factor of Array Biweekly Contest 160
array binary search greedy math number theory segment tree
July 1, 2025
2128
3601 Find Drivers with Improved Fuel Efficiency database
database
June 29, 2025
859
3597 Partition String Weekly Contest 456
hash table simulation string trie
June 29, 2025
1566
3598 Longest Common Prefix Between Adjacent Strings After Removals Weekly Contest 456
array string
June 29, 2025
1897
3599 Partition Array to Minimize XOR Weekly Contest 456
array bit manipulation dynamic programming prefix sum
June 29, 2025
2313
3600 Maximize Spanning Tree Stability with Upgrades Weekly Contest 456
binary search graph greedy minimum spanning tree union find
June 26, 2025
1897
3596 Minimum Cost Path with Alternating Directions I
brainteaser math
June 23, 2025
1970
3595 Once Twice
array bit manipulation
June 22, 2025
569
3591 Check if Any Element Has Prime Frequency Weekly Contest 455
array counting hash table math number theory
June 22, 2025
1628
3592 Inverse Coin Change Weekly Contest 455
array dynamic programming
June 22, 2025
1939
3593 Minimum Increments to Equalize Leaf Paths Weekly Contest 455
array depth-first search dynamic programming tree
June 22, 2025
2615
3594 Minimum Time to Transport All Individuals Weekly Contest 455
array bit manipulation bitmask dynamic programming graph heap (priority queue) shortest path
June 21, 2025
1085
3587 Minimum Adjacent Swaps to Alternate Parity Biweekly Contest 159
array greedy
June 21, 2025
1682
3588 Find Maximum Area of a Triangle Biweekly Contest 159
array enumeration geometry greedy hash table math
June 21, 2025
2198
3589 Count Prime-Gap Balanced Subarrays Biweekly Contest 159
array math monotonic queue number theory queue sliding window
June 21, 2025
2608
3590 Kth Smallest Path XOR Sum Biweekly Contest 159
array depth-first search ordered set tree
June 15, 2025
2215
3586 Find COVID Recovery Patients database
database
June 15, 2025
932
3582 Generate Tag for Video Caption Weekly Contest 454
simulation string
June 15, 2025
1397
3583 Count Special Triplets Weekly Contest 454
array counting hash table
June 15, 2025
1730
3584 Maximum Product of First and Last Elements of a Subsequence Weekly Contest 454
array two pointers
more