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Problem : We are given head, the head node of a linked list containing unique integer values. We are also given the list G, a subset of the values in 阅读全文
posted @ 2020-04-20 17:21
littledy
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Problem : A website domain like "discuss.leetcode.com" consists of various subdomains. At the top level, we have "com", at the next level, we have "le 阅读全文
posted @ 2020-04-20 17:10
littledy
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Problem : In a 2 dimensional array grid, each value grid[i][j] represents the height of a building located there. We are allowed to increase the heigh 阅读全文
posted @ 2020-04-20 16:42
littledy
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Problem : We are to write the letters of a given string S, from left to right into lines. Each line has maximum width 100 units, and if writing a lett 阅读全文
posted @ 2020-04-20 16:17
littledy
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Problem : International Morse Code defines a standard encoding where each letter is mapped to a series of dots and dashes, as follows: "a" maps to ". 阅读全文
posted @ 2020-04-20 15:54
littledy
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Problem : Given a string S, we can transform every letter individually to be lowercase or uppercase to create another string. Return a list of all pos 阅读全文
posted @ 2020-04-20 11:42
littledy
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Problem : Given two integers L and R, find the count of numbers in the range [L, R] (inclusive) having a prime number of set bits in their binary repr 阅读全文
posted @ 2020-04-20 11:20
littledy
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Problem : A matrix is Toeplitz if every diagonal from top left to bottom right has the same element. Now given an M x N matrix, return True if and onl 阅读全文
posted @ 2020-04-20 11:16
littledy
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