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Problem : S and T are strings composed of lowercase letters. In S, no letter occurs more than once. S was sorted in some custom order previously. We w 阅读全文
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Problem : Given a directed, acyclic graph of N nodes. Find all possible paths from node 0 to node N 1, and return them in any order. The graph is give 阅读全文
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Problem : Find the minimum length word from a given dictionary words, which has all the letters from the string licensePlate. Such a word is said to c 阅读全文
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Problem : On a staircase, the i th step has some non negative cost cost[i] assigned (0 indexed). Once you pay the cost, you can either climb one or tw 阅读全文
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Problem : Given a list of daily temperatures T, return a list such that, for each day in the input, tells you how many days you would have to wait unt 阅读全文
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Problem : A self dividing number is a number that is divisible by every digit it contains. For example, 128 is a self dividing number because 128 % 1 阅读全文
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Problem : Given a sorted (in ascending order) integer array nums of n elements and a target value, write a function to search target in nums. If targe 阅读全文
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Problem : Given two strings s1, s2, find the lowest ASCII sum of deleted characters to make two strings equal. Example 1: Example 2: Note: 0 dp(m+1, v 阅读全文
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Problem : Implement function ToLowerCase() that has a string parameter str, and returns the same string in lowercase. Example 1: Example 2: Example 3: 阅读全文