Suppose you are at a party with n people (labeled from 0 to n - 1) and among them, there may exist one celebrity. The definition of a celebrity ...
Find the Celebrity Suppose you are at a party withnpeople labeled from ton and among them, there may exist one celebrity. The definition of a celebrity is that all the othern people know him her but h ...
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Suppose you are at a party with n people (labeled from 0 to n - 1) and among them, there may exist one celebrity. The definition of a celebrity ...
letter at a random position. Find the letter that was a ...
原题地址:https://oj.leetcode.com/problems/find-minimum-in-rotated-sorted-array/ 解题思路:话说leetcode上面的二分查找题目真的不少啊。下图是这道题的数组的两种情况,分别去处理就可以了。 ...
to find an index mapping P, from A to B. A mapping P[ ...
Given a binary tree, return all duplicate subtrees. For each kind of duplicate subtrees, you o ...
By now, you are given a secret signature consisting of character 'D' and 'I'. 'D' represen ...
Union Find Princeton's lecture note on Union Find in Algorithms and Data Structures It is a well organized note with clear illustration ...