# 09.06.2025
[440. K-th Smallest in Lexicographical Order](https://leetcode.com/problems/k-th-smallest-in-lexicographical-order/description/) hard
k-th lexicographical number of 1..n #hard
[440. K-th Smallest in Lexicographical Order](https://leetcode.com/problems/k-th-smallest-in-lexicographical-order/description/) hard
k-th lexicographical number of 1..n #hard
👍2
# 10.06.2025
[3442. Maximum Difference Between Even and Odd Frequency I](https://leetcode.com/problems/maximum-difference-between-even-and-odd-frequency-i/description/) easy
Max odd - min even frequency #easy
[3442. Maximum Difference Between Even and Odd Frequency I](https://leetcode.com/problems/maximum-difference-between-even-and-odd-frequency-i/description/) easy
Max odd - min even frequency #easy
👍2
# 11.06.2025
[3445. Maximum Difference Between Even and Odd Frequency II](https://leetcode.com/problems/maximum-difference-between-even-and-odd-frequency-ii/description) hard
Max odd - min even frequency, window at least k #hard
[3445. Maximum Difference Between Even and Odd Frequency II](https://leetcode.com/problems/maximum-difference-between-even-and-odd-frequency-ii/description) hard
Max odd - min even frequency, window at least k #hard
👍2
# 12.06.2025
[3423. Maximum Difference Between Adjacent Elements in a Circular Array](https://leetcode.com/problems/maximum-difference-between-adjacent-elements-in-a-circular-array/description/) easy
Max abs sibling diff #easy
[3423. Maximum Difference Between Adjacent Elements in a Circular Array](https://leetcode.com/problems/maximum-difference-between-adjacent-elements-in-a-circular-array/description/) easy
Max abs sibling diff #easy
👍1
# 13.06.2025
[2616. Minimize the Maximum Difference of Pairs](https://leetcode.com/problems/minimize-the-maximum-difference-of-pairs/description/) medium
Min max diffs non-overlapped pairs #medium #binary_search
[2616. Minimize the Maximum Difference of Pairs](https://leetcode.com/problems/minimize-the-maximum-difference-of-pairs/description/) medium
Min max diffs non-overlapped pairs #medium #binary_search
👍3
# 14.06.2025
[2566. Maximum Difference by Remapping a Digit](https://leetcode.com/problems/maximum-difference-by-remapping-a-digit/description/) easy
Max - min, replacing any digit #easy
[2566. Maximum Difference by Remapping a Digit](https://leetcode.com/problems/maximum-difference-by-remapping-a-digit/description/) easy
Max - min, replacing any digit #easy
👍1
# 15.06.2025
[1432. Max Difference You Can Get From Changing an Integer](https://leetcode.com/problems/max-difference-you-can-get-from-changing-an-integer/description/) medium
Max - min, replacing any digit, no leading zeros #medium
[1432. Max Difference You Can Get From Changing an Integer](https://leetcode.com/problems/max-difference-you-can-get-from-changing-an-integer/description/) medium
Max - min, replacing any digit, no leading zeros #medium
👍2
# 16.06.2025
[2016. Maximum Difference Between Increasing Elements](https://leetcode.com/problems/maximum-difference-between-increasing-elements/description) easy
Max increasing pair diff #easy
[2016. Maximum Difference Between Increasing Elements](https://leetcode.com/problems/maximum-difference-between-increasing-elements/description) easy
Max increasing pair diff #easy
👍2
# 17.06.2025
[3405. Count the Number of Arrays with K Matching Adjacent Elements](https://leetcode.com/problems/count-the-number-of-arrays-with-k-matching-adjacent-elements/description/) hard
Combinations k equal siblings 1..m in [n] array #hard #combinatorics #math
[3405. Count the Number of Arrays with K Matching Adjacent Elements](https://leetcode.com/problems/count-the-number-of-arrays-with-k-matching-adjacent-elements/description/) hard
Combinations k equal siblings 1..m in [n] array #hard #combinatorics #math
👍2
# 18.06.2025
[2966. Divide Array Into Arrays With Max Difference](https://leetcode.com/problems/divide-array-into-arrays-with-max-difference/description/) medium
List of k-narrow tripplets #medium
[2966. Divide Array Into Arrays With Max Difference](https://leetcode.com/problems/divide-array-into-arrays-with-max-difference/description/) medium
List of k-narrow tripplets #medium
👍2
# 19.06.2025
[2294. Partition Array Such That Maximum Difference Is K](https://leetcode.com/problems/partition-array-such-that-maximum-difference-is-k/description) medium
k-narrow subsequences #medium #sort
[2294. Partition Array Such That Maximum Difference Is K](https://leetcode.com/problems/partition-array-such-that-maximum-difference-is-k/description) medium
k-narrow subsequences #medium #sort
👍2
# 20.06.2025
[3443. Maximum Manhattan Distance After K Changes](https://leetcode.com/problems/maximum-manhattan-distance-after-k-changes/description) medium
Max distance after k flips #medium
[3443. Maximum Manhattan Distance After K Changes](https://leetcode.com/problems/maximum-manhattan-distance-after-k-changes/description) medium
Max distance after k flips #medium
👍2
# 21.06.2025
[3085. Minimum Deletions to Make String K-Special](https://leetcode.com/problems/minimum-deletions-to-make-string-k-special/description/) medium
Min remove to make frequencies k-narrow #medium
[3085. Minimum Deletions to Make String K-Special](https://leetcode.com/problems/minimum-deletions-to-make-string-k-special/description/) medium
Min remove to make frequencies k-narrow #medium
👍2
# 22.06.2025
[2138. Divide a String Into Groups of Size k](https://leetcode.com/problems/divide-a-string-into-groups-of-size-k/description/) easy
k-chunked string, filled tail #easy
[2138. Divide a String Into Groups of Size k](https://leetcode.com/problems/divide-a-string-into-groups-of-size-k/description/) easy
k-chunked string, filled tail #easy
👍2
# 23.06.2025
[2081. Sum of k-Mirror Numbers](https://leetcode.com/problems/sum-of-k-mirror-numbers/description) hard
n palindromes in both 10 and k-base #hard #math
[2081. Sum of k-Mirror Numbers](https://leetcode.com/problems/sum-of-k-mirror-numbers/description) hard
n palindromes in both 10 and k-base #hard #math
👍2
# 24.06.2025
[2200. Find All K-Distant Indices in an Array](https://leetcode.com/problems/find-all-k-distant-indices-in-an-array/description/) easy
Indices k-distant to key #easy
[2200. Find All K-Distant Indices in an Array](https://leetcode.com/problems/find-all-k-distant-indices-in-an-array/description/) easy
Indices k-distant to key #easy
👍2
# 25.06.2025
[2040. Kth Smallest Product of Two Sorted Arrays](https://leetcode.com/problems/kth-smallest-product-of-two-sorted-arrays/description/) hard
K-th increasing product from two arrays #hard #binary_search
[2040. Kth Smallest Product of Two Sorted Arrays](https://leetcode.com/problems/kth-smallest-product-of-two-sorted-arrays/description/) hard
K-th increasing product from two arrays #hard #binary_search
👍2
# 26.06.2025
[2311. Longest Binary Subsequence Less Than or Equal to K](https://leetcode.com/problems/longest-binary-subsequence-less-than-or-equal-to-k/description) medium
Longest binary subsequence less than K #medium
[2311. Longest Binary Subsequence Less Than or Equal to K](https://leetcode.com/problems/longest-binary-subsequence-less-than-or-equal-to-k/description) medium
Longest binary subsequence less than K #medium
👍2
# 27.06.2025
[2014. Longest Subsequence Repeated k Times](https://leetcode.com/problems/longest-subsequence-repeated-k-times/description/) hard
Longest k-repeating subsequence #hard #backtracking
[2014. Longest Subsequence Repeated k Times](https://leetcode.com/problems/longest-subsequence-repeated-k-times/description/) hard
Longest k-repeating subsequence #hard #backtracking
👍2
# 28.06.2025
[2099. Find Subsequence of Length K With the Largest Sum](https://leetcode.com/problems/find-subsequence-of-length-k-with-the-largest-sum/description/) easy
Subsequence of k largest #easy #sort
[2099. Find Subsequence of Length K With the Largest Sum](https://leetcode.com/problems/find-subsequence-of-length-k-with-the-largest-sum/description/) easy
Subsequence of k largest #easy #sort
👍2
# 29.06.2025
[1498. Number of Subsequences That Satisfy the Given Sum Condition](https://leetcode.com/problems/number-of-subsequences-that-satisfy-the-given-sum-condition/description/) medium
Subsequencies target in 0..min+max #medium #binary_search #two_pointers
[1498. Number of Subsequences That Satisfy the Given Sum Condition](https://leetcode.com/problems/number-of-subsequences-that-satisfy-the-given-sum-condition/description/) medium
Subsequencies target in 0..min+max #medium #binary_search #two_pointers
👍2