Date Rating Stats Name Contest Tags
March 24, 2024
884
Maximum Length Substring With Two Occurrences Weekly Contest 390
hash table string sliding window
March 24, 2024
1414
Apply Operations to Make…reater Than or Equal to k Weekly Contest 390
math greedy enumeration
March 24, 2024
1770
Most Frequent IDs Weekly Contest 390
array hash table heap (priority queue) ordered set
March 24, 2024
2135
Longest Common Suffix Queries Weekly Contest 390
array string trie
March 17, 2024
727
Existence of a Substring…a String and Its Reverse Weekly Contest 389
hash table string
March 17, 2024
1189
Count Substrings Starting…ding with Given Character Weekly Contest 389
math string counting
March 17, 2024
1706
Minimum Deletions to Make String K-Special Weekly Contest 389
hash table string greedy sorting counting
March 17, 2024
2708
Minimum Moves to Pick K Ones Weekly Contest 389
array greedy sliding window prefix sum
March 16, 2024
570
Find the Sum of Encrypted Integers Biweekly Contest 126
array math
March 16, 2024
1558
Mark Elements on Array by Performing Queries Biweekly Contest 126
array hash table sorting heap (priority queue) simulation
March 16, 2024
1894
Replace Question Marks in…ing to Minimize Its Value Biweekly Contest 126
hash table string greedy sorting heap (priority queue) counting
March 16, 2024
2257
Find the Sum of the Power of All Subsequences Biweekly Contest 126
array dynamic programming
March 10, 2024
754
Apple Redistribution into Boxes Weekly Contest 388
array greedy sorting
March 10, 2024
1181
Maximize Happiness of Selected Children Weekly Contest 388
array greedy sorting
March 10, 2024
1582
Shortest Uncommon Substring in an Array Weekly Contest 388
array hash table string trie
March 10, 2024
2587
Maximum Strength of K Disjoint Subarrays Weekly Contest 388
array dynamic programming prefix sum
March 3, 2024
696
Distribute Elements Into Two Arrays I Weekly Contest 387
array simulation
March 3, 2024
1465
Count Submatrices with To…ement and Sum Less Than k Weekly Contest 387
array matrix prefix sum
March 3, 2024
1695
Minimum Operations to Write the Letter Y on a Grid Weekly Contest 387
array hash table matrix counting
March 3, 2024
2087
Distribute Elements Into Two Arrays II Weekly Contest 387
array binary indexed tree segment tree simulation
March 2, 2024
649
Minimum Operations to Exceed Threshold Value I Biweekly Contest 125
array
March 2, 2024
1365
Minimum Operations to Exceed Threshold Value II Biweekly Contest 125
array heap (priority queue) simulation
March 2, 2024
1945
Count Pairs of Connectabl…n a Weighted Tree Network Biweekly Contest 125
array tree depth-first search
March 2, 2024
2332
Find the Maximum Sum of Node Values Biweekly Contest 125
array dynamic programming greedy bit manipulation tree sorting
Feb. 25, 2024
733
Split the Array Weekly Contest 386
array hash table counting
Feb. 25, 2024
1570
Find the Largest Area of…are Inside Two Rectangles Weekly Contest 386
array math geometry
Feb. 25, 2024
2271
Earliest Second to Mark Indices I Weekly Contest 386
array binary search
Feb. 25, 2024
3122
Earliest Second to Mark Indices II Weekly Contest 386
array binary search greedy heap (priority queue)
Feb. 18, 2024
751
Count Prefix and Suffix Pairs I Weekly Contest 385
array string trie rolling hash string matching hash function
Feb. 18, 2024
1642
Find the Length of the Longest Common Prefix Weekly Contest 385
array hash table string trie
Feb. 18, 2024
1684
Most Frequent Prime Weekly Contest 385
array hash table math matrix counting enumeration number theory
Feb. 18, 2024
2348
Count Prefix and Suffix Pairs II Weekly Contest 385
array string trie rolling hash string matching hash function
Feb. 17, 2024
716
Maximum Number of Operations With the Same Score I Biweekly Contest 124
array simulation
Feb. 17, 2024
1335
Apply Operations to Make String Empty Biweekly Contest 124
array hash table sorting counting
Feb. 17, 2024
1661
Maximum Number of Operati…ns With the Same Score II Biweekly Contest 124
array dynamic programming memoization
Feb. 17, 2024
2254
Maximize Consecutive Elem…Array After Modification Biweekly Contest 124
array dynamic programming sorting
Feb. 11, 2024
724
Modify the Matrix Weekly Contest 384
array matrix
Feb. 11, 2024
1278
Number of Subarrays That Match a Pattern I Weekly Contest 384
array rolling hash string matching hash function
Feb. 11, 2024
1828
Maximum Palindromes After Operations Weekly Contest 384
array hash table string greedy sorting counting
Feb. 11, 2024
1871
Number of Subarrays That Match a Pattern II Weekly Contest 384
array rolling hash string matching hash function
Feb. 4, 2024
541
Ant on the Boundary Weekly Contest 383
array simulation prefix sum
Feb. 4, 2024
1623
Minimum Time to Revert Word to Initial State I Weekly Contest 383
string rolling hash string matching hash function
Feb. 4, 2024
1850
Find the Grid of Region Average Weekly Contest 383
array matrix
Feb. 4, 2024
2274
Minimum Time to Revert Word to Initial State II Weekly Contest 383
string rolling hash string matching hash function
Feb. 3, 2024
539
Type of Triangle II Biweekly Contest 123
array math sorting
Feb. 3, 2024
1704
Find the Number of Ways to Place People I Biweekly Contest 123
array math geometry sorting enumeration
Feb. 3, 2024
1850
Maximum Good Subarray Sum Biweekly Contest 123
array hash table prefix sum
Feb. 3, 2024
2057
Find the Number of Ways to Place People II Biweekly Contest 123
array math geometry sorting enumeration
Jan. 28, 2024
610
Number of Changing Keys Weekly Contest 382
string
Jan. 28, 2024
1552
Alice and Bob Playing Flower Game Weekly Contest 382
math
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