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  • Leetcode 964.Least Operators to Express Number

    Well, we can also solve in dp format.Python3

  • Leetcode 962. Maximum Width Ramp

    Intuition:Keep a decresing stack.For each number,binary search the first...

  • LeetCode 961. N-Repeated Element in Size 2N Array

    [C++/Java/Python] 4 lines O(1) O(1) Solution 1 Use array or set and retu...

  • Leetcode 947 Most Stones Removed with Same Row or Column

    1. 數(shù)島嶼問(wèn)題 如果兩個(gè)石頭在同行或者同列路克,兩個(gè)石頭就是連接的夫凸。連在一起的石頭,可以組成一個(gè)連通圖缺亮。每一個(gè)連通圖至少會(huì)剩下1個(gè)石頭。所以我們希...

  • LeetCode 940 Distinct Subsequences II

    嗯這里更具體講一講铣鹏,思路是怎么一步一步想的透典。 最開始的思路是用Trie來(lái)表示所有可能subseq.遍歷string S,對(duì)Trie中每個(gè)節(jié)點(diǎn)新建...

    0.4 9176 3 20 1
  • Leetcode 936 Stamping The Sequence

    leetcode有很多國(guó)人用戶摆昧,嘗試一個(gè)新的方式分享答案撩满。方便大家評(píng)論,提問(wèn)绅你,互動(dòng)伺帘,打賞。作為嘗試忌锯,是不是應(yīng)該選一個(gè)言簡(jiǎn)意賅的題目... Sub...

    0.5 2607 2 11 3
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