C++

題目

In a row of dominoes, tops[i] and bottoms[i] represent the top and bottom halves of the ith domino. (A domino is a tile with two numbers from 1 to 6 - one on each half of the tile.)

… Read More »LeetCode: 895-Maximum Frequency Stack 解題紀錄

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Given a string s, remove duplicate letters so that every letter appears once and only once. You must make sure your result is the smallest in lexicographical order among all possible results.

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Given a balanced parentheses string s, return the score of the string.

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… Read More »LeetCode: 138-Copy List with Random Pointer 解題紀錄

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Given the head of a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. Return the linked list sorted as well.

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