Dynamic Programming preguntas y respuestas de entrevista
Pregunta 21. Maximum Profit with K Transactions
Given an array representing stock prices, find the maximum profit that can be obtained with at most k transactions.
Example:
Input: [3, 2, 6, 5, 0, 3], k = 2, Output: 7
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Pregunta 22. Count Distinct Subsequences
Given a string, find the number of distinct non-empty subsequences of the string.
Example:
Input: "abc", Output: 7 ("a", "b", "c", "ab", "ac", "bc", "abc")
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Pregunta 23. Palindromic Substrings
Given a string, find the total number of palindromic substrings.
Example:
Input: "abc", Output: 3 ("a", "b", "c")
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Pregunta 24. Minimum Cost Path
Given a 2D grid, find the minimum cost path from the top-left corner to the bottom-right corner.
Example:
Grid: [[1,3,1],[1,5,1],[4,2,1]], Output: 7 (1 -> 3 -> 1 -> 1 -> 1)
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Pregunta 25. Word Break II
Given a non-empty string and a dictionary of words, return all possible sentences formed by concatenating words from the dictionary.
Example:
Input: s = "catsanddog", wordDict = ["cat", "cats", "and", "sand", "dog"], Output: ["cats and dog", "cat sand dog"]
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