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8月 31 2017
Online Judge►LeetCode

[LeetCode] 151 - Reverse Words in a String

題意

反轉句子,並去除多餘空白。

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  • 151
  • LeetCode
5月 12 2017
Online Judge►LeetCode

[LeetCode] 136 - Single Number

題意

有一個陣列裡面的元素皆出現兩次,只有一個元素為一次,找出獨立的那個元素。

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  • 136
  • LeetCode
  • XOR
5月 9 2017
Online Judge►LeetCode

[LeetCode] 5 - Longest Palindromic Substring

題意

求最長回文子字串。

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  • 5
  • LeetCode
  • Palindrome
5月 8 2015
Online Judge►LeetCode

[LeetCode] 125 - Valid Palindrome

題意

判斷字串是否回文,只考慮字母和數字。

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  • 125
  • LeetCode
  • Palindrome
5月 8 2015
Online Judge►LeetCode

[LeetCode] 62 - Unique Paths

題意

機器人每次可以往下或往右走,請問到最右下角最多會有幾種走法。

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  • 62
  • DP
  • LeetCode
5月 8 2015
Online Judge►LeetCode

[LeetCode] 19 - Remove Nth Node From End of List

題意

刪除一個Singly Linked List的倒數第n個節點。

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  • 19
  • LeetCode
  • Linked List
5月 7 2015
Online Judge►LeetCode

[LeetCode] 124 - Binary Tree Maximum Path Sum

題意

求出一條路徑的和最大,起點和終點可以是任意點。

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  • 124
  • Binary Tree Maximum Path Sum
  • LeetCode
5月 6 2015
Online Judge►LeetCode

[LeetCode] 55 - Jump Game

題意

從陣列的開頭開始,陣列中的值代表從當格所能走的最大步數,請判斷是否能走到最後一格。

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  • 55
  • Greedy
  • Jump Game
  • LeetCode
4月 30 2015
Online Judge►LeetCode

[LeetCode] 152 - Maximum Product Subarray

題意

求連續一段區間相乘最大的值。

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  • 152
  • LeetCode
  • Maximum Product Subarray
4月 30 2015
Online Judge►LeetCode

[LeetCode] 204 - Count Primes

題意

輸出小於n的質數有幾個。

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  • 204
  • LeetCode
  • Prime
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Recents

  • [LeetCode] 670 - Maximum Swap
  • [LeetCode] 654 - Maximum Binary Tree
  • [LeetCode] 647 - Palindromic Substrings
  • [LeetCode] 560 - Subarray Sum Equals K
  • [LeetCode] 515 - Find Largest Value in Each Tree Row
  • [LeetCode] 513 - Find Bottom Left Tree Value
  • [LeetCode] 508 - Most Frequent Subtree Sum
  • [LeetCode] 451 - Sort Characters By Frequency
  • [LeetCode] 442 - Find All Duplicates in an Array
  • [LeetCode] 287 - Find the Duplicate Number

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