May 24, 2024
https://leetcode.com/problems/word-break-ii/description/
All string splits with dictionary #hard #dfs #dynamic_programming
All string splits with dictionary #hard #dfs #dynamic_programming
🔥3👍2
May 25, 2024
https://leetcode.com/problems/student-attendance-record-ii/description/
N times: A -> LP, L -> AP, P -> AL, at most one A, no LLL #hard #dynamic_programming
N times: A -> LP, L -> AP, P -> AL, at most one A, no LLL #hard #dynamic_programming
👍3🔥1
May 26, 2024
https://leetcode.com/problems/special-array-with-x-elements-greater-than-or-equal-x/description/
Count of more or equal nums[i] equal itself #easy
Count of more or equal nums[i] equal itself #easy
👍3🔥1
May 27, 2024
https://leetcode.com/problems/get-equal-substrings-within-budget/description/
Max substring
Max substring
sum(abs(s[..] - t[..])) < maxCost
#medium #sliding_window👍2🔥1
May 28, 2024
https://leetcode.com/problems/number-of-steps-to-reduce-a-number-in-binary-representation-to-one/description/
Steps
Steps
even/2
, odd+1
to make binary s
to 1
#medium👍3🔥2
May 29, 2024
https://leetcode.com/problems/count-triplets-that-can-form-two-arrays-of-equal-xor/description/
Number
Number
(i,j,k)
where xor arr[i..j] = xor arr[j..k]
#medium #bit_manipulation👍2🔥1
May 30, 2024
https://leetcode.com/problems/single-number-iii/description/
Two not duplicated numbers from array #medium #bit_manipulation
Two not duplicated numbers from array #medium #bit_manipulation
👎2👍1🔥1
May 31, 2024
May 31, 2024
https://leetcode.com/problems/append-characters-to-string-to-make-subsequence/description/
Min diff to make
Min diff to make
t
substring of s
#medium👍2🔥1
June 3, 2024
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By the way, 900 days today. Who knows what the World would look like on a day 1000 - September 13, 2024?
🎉5👍2🤔1
June 5, 2024
https://leetcode.com/problems/hand-of-straights/description/
Can array be split into consecutive groups #medium #heap #treemap
Can array be split into consecutive groups #medium #heap #treemap
👍2🔥1
June 6, 2024
https://leetcode.com/problems/replace-words/description/
Replace words with suffixes from dictionary #medium #trie
Replace words with suffixes from dictionary #medium #trie
👍2🔥2
June 7, 2024
https://leetcode.com/problems/continuous-subarray-sum/description/
Any subarray sum % k = 0 #medium #hashmap
Any subarray sum % k = 0 #medium #hashmap
👍2
June 8, 2024
https://leetcode.com/problems/subarray-sums-divisible-by-k/description/
Count subarrays divisible by
Count subarrays divisible by
k
#medium #hashmap👍1
June 9, 2024
https://leetcode.com/problems/relative-sort-array/description/
Sort an array by the given order #easy
Sort an array by the given order #easy
👍2
June 11, 2024