# 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
# 18.08.2025
[679. 24 Game](https://leetcode.com/problems/24-game/description) hard
Can a,b,c,d = 24 with ops */+-() #hard #backtracking #math
[679. 24 Game](https://leetcode.com/problems/24-game/description) hard
Can a,b,c,d = 24 with ops */+-() #hard #backtracking #math
👍1