binary-search精品文章

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  二分查找-JS實(shí)現(xiàn)

  function binary-search(arr,key){ var low=0, high=arr.length-1, mid=Math.floor((low+high)/2); while(low

  tainzhi 2019-08-20 13:30 評(píng)論0 收藏0
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  [LeetCode] Valid Perfect Square

  ...> num) { t = (t+num/t)/2; } return t*t == num; } } Binary-Search method, O(logn) public class Solution { public boolean isPerfectSquare(int num) { long start = 1...

  acrazing 2019-08-14 14:23 評(píng)論0 收藏0