# 30.06.2025
[594. Longest Harmonious Subsequence](https://leetcode.com/problems/longest-harmonious-subsequence/description) easy
Longest subsequence with max-min=1 #easy #counting #sort #two_pointers
[594. Longest Harmonious Subsequence](https://leetcode.com/problems/longest-harmonious-subsequence/description) easy
Longest subsequence with max-min=1 #easy #counting #sort #two_pointers
👍2
# 1.07.2025
[3330. Find the Original Typed String I](https://leetcode.com/problems/find-the-original-typed-string-i/description/) easy
ways to remove duplicates #easy #counting
[3330. Find the Original Typed String I](https://leetcode.com/problems/find-the-original-typed-string-i/description/) easy
ways to remove duplicates #easy #counting
👍2
# 2.07.2025
[3333. Find the Original Typed String II](https://leetcode.com/problems/find-the-original-typed-string-ii/description/) hard
ways to remove duplicates, preserve length at least k #hard #dp
[3333. Find the Original Typed String II](https://leetcode.com/problems/find-the-original-typed-string-ii/description/) hard
ways to remove duplicates, preserve length at least k #hard #dp
👍1
# 3.07.2025
[3304. Find the K-th Character in String Game I](https://leetcode.com/problems/find-the-k-th-character-in-string-game-i/description/) easy
`k`th char after appending rotated self #easy
[3304. Find the K-th Character in String Game I](https://leetcode.com/problems/find-the-k-th-character-in-string-game-i/description/) easy
`k`th char after appending rotated self #easy
👍2
# 4.07.2025
[3307. Find the K-th Character in String Game II](https://leetcode.com/problems/find-the-k-th-character-in-string-game-ii/description) hard
kth char in double+shift by ops[i] string #hard #bit_manipulation
[3307. Find the K-th Character in String Game II](https://leetcode.com/problems/find-the-k-th-character-in-string-game-ii/description) hard
kth char in double+shift by ops[i] string #hard #bit_manipulation
👍2
# 5.07.2025
[1394. Find Lucky Integer in an Array](https://leetcode.com/problems/find-lucky-integer-in-an-array/description)
Max x == freq(x) #easy
[1394. Find Lucky Integer in an Array](https://leetcode.com/problems/find-lucky-integer-in-an-array/description)
Max x == freq(x) #easy
👍1
# 6.07.2025
[1865. Finding Pairs With a Certain Sum](https://leetcode.com/problems/finding-pairs-with-a-certain-sum/description/) medium
Design pairs counter; two lists, one changes #medium #hashmap
[1865. Finding Pairs With a Certain Sum](https://leetcode.com/problems/finding-pairs-with-a-certain-sum/description/) medium
Design pairs counter; two lists, one changes #medium #hashmap
👍1
# 7.07.2025
[1353. Maximum Number of Events That Can Be Attended](https://leetcode.com/problems/maximum-number-of-events-that-can-be-attended/description/) medium
Max attended events #medium #heap
[1353. Maximum Number of Events That Can Be Attended](https://leetcode.com/problems/maximum-number-of-events-that-can-be-attended/description/) medium
Max attended events #medium #heap
👍1
# 8.07.2025
[1751. Maximum Number of Events That Can Be Attended II](https://leetcode.com/problems/maximum-number-of-events-that-can-be-attended-ii/description) hard
Max top k valued intervals #hard #binary_search #dp
[1751. Maximum Number of Events That Can Be Attended II](https://leetcode.com/problems/maximum-number-of-events-that-can-be-attended-ii/description) hard
Max top k valued intervals #hard #binary_search #dp
👍1
# 9.07.2025
[3439. Reschedule Meetings for Maximum Free Time I](https://leetcode.com/problems/reschedule-meetings-for-maximum-free-time-i/description) medium
Max free time after moving k events together #medium #sliding_window
[3439. Reschedule Meetings for Maximum Free Time I](https://leetcode.com/problems/reschedule-meetings-for-maximum-free-time-i/description) medium
Max free time after moving k events together #medium #sliding_window
👍1
# 10.07.2025
[3440. Reschedule Meetings for Maximum Free Time II](https://leetcode.com/problems/reschedule-meetings-for-maximum-free-time-ii/description/) medium
Max free time after moving 1 event #medium #sorting
[3440. Reschedule Meetings for Maximum Free Time II](https://leetcode.com/problems/reschedule-meetings-for-maximum-free-time-ii/description/) medium
Max free time after moving 1 event #medium #sorting
👍1
# 11.07.2025
[2402. Meeting Rooms III](https://leetcode.com/problems/meeting-rooms-iii/description) hard
Most frequent meeting room #hard #heap
[2402. Meeting Rooms III](https://leetcode.com/problems/meeting-rooms-iii/description) hard
Most frequent meeting room #hard #heap
👍2