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Given n points in the plane that are all pairwise distinct, a "boomerang" is a tuple of points (i, j, k) such that the distance between i and j equals 阅读全文
posted @ 2020-06-03 23:16
Schwifty
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There are 2N people a company is planning to interview. The cost of flying the i-th person to city A is costs[i][0], and the cost of flying the i-th p 阅读全文
posted @ 2020-06-03 22:33
Schwifty
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Given an array of integers where 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others appear once. Find all the elements of [1, n] 阅读全文
posted @ 2020-06-03 13:54
Schwifty
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Given an array of integers with possible duplicates, randomly output the index of a given target number. You can assume that the given target number m 阅读全文
posted @ 2020-06-03 09:26
Schwifty
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Given an encoded string, return its decoded string. The encoding rule is: k[encoded_string], where the encoded_string inside the square brackets is be 阅读全文
posted @ 2020-06-03 06:57
Schwifty
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