Positive精品文章

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  leetcode494. Target Sum

  ...o make the sum of nums be target 3. Note: The length of the given array is positive and will not exceed 20. The sum of elements in the given array will not exceed 1000. Your output answer is guaran...

  RobinTang 2019-08-15 14:32 評論0 收藏0
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  [LintCode] Interleaving Positive and Negative Numb

  Problem Given an array with positive and negative integers. Re-range it to interleaving with positive and negative integers. Notice You are not necessary to keep the original order of positive integer...

  calx 2019-08-14 15:22 評論0 收藏0
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  leetcode 41. First Missing Positive

  題目要求 Given an unsorted integer array, find the first missing positive integer. For example, Given [1,2,0] return 3, and [3,4,-1,1] return 2. Your algorithm should run in O(n) time and uses constant ...

  smallStone 2019-08-15 10:51 評論0 收藏0
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  [LintCode] First Missing Positive

  Problem Given an unsorted integer array, find the first missing positive integer. Example Given [1,2,0] return 3,and [3,4,-1,1] return 2. Note 找第一個缺失的正整數，只要先按順序排列好[1, 2, 3, 4, ...]，也就是A[i] = i+1，找到第一個...

  snifes 2019-08-14 15:20 評論0 收藏0
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  【7 kyu】Sum of two lowest positive integers

  原題目 Create a function that returns the sum of the two lowest positive numbers given an array of minimum 4 integers. No floats or empty arrays will be passed. For example, when an array is passed like...

  fjcgreat 2019-08-21 16:49 評論0 收藏0
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  [LeetCode] 41. First Missing Positive

  Problem Given an unsorted integer array, find the smallest missing positive integer. Example 1: Input: [1,2,0]Output: 3Example 2: Input: [3,4,-1,1]Output: 2Example 3: Input: [7,8,9,11,12]Output: 1Note...

  30e8336b8229 2019-08-16 13:56 評論0 收藏0
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  說一說布隆過濾器

  ...loomFilter} with the expected number of * insertions and expected false positive probability. * * Note that overflowing a {@code BloomFilter} with significantly more elements * than spe...

  terasum 2019-08-16 12:38 評論0 收藏0
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  模型評價(一) AUC大法

  ...真陰率，表明實際是負樣本預測成負樣本的樣本數 False positive(FP)，稱為假陽率，表明實際是負樣本預測成正樣本的樣本數 False negative(FN)，稱為假陰率，表明實際是正樣本預測成負樣本的樣本數 True positive(TP)，稱為真陽率，表明...

  SoapEye 2019-07-30 14:21 評論0 收藏0
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  leetcode376. Wiggle Subsequence

  ...e if the differences between successive numbers strictly alternate between positive and negative. The first difference (if one exists) may be either positive or negative. A sequence with fewer than...

  CoffeX 2019-08-16 17:10 評論0 收藏0