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ARST打卡第156周[156/521]

Algorithm lc1305_两棵二叉搜索树中的所有元素 感觉这题如果用goroutines的管道(缓冲为1)向主线程输送数据,应该很好做 就是一个生成器一样

ARST打卡第154周[154/521]

Algorithm lc479_最大回文数乘积 思路 感觉这里要用到大数相乘的编码,就是用string来做乘法运算,并且还要结合乘积为最大回文数的规律, 这里不是很

ARST打卡第153周[153/521]

Algorithm lc804唯一摩尔斯密码词 简单遍历翻译,然后放入集合,最终返回集合的size 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 class Solution { unordered_set<string> mos_set; public: int uniqueMorseRepresentations(vector<string>& words) { string s[] = {".-","-...","-.-.","-..",".","..-.","--.","....","..",".---","-.-",".-..","--","-.","---",".--.","--.-",".-.","...","-","..-","...-",".--","-..-","-.--","--.."};

ARST打卡第152周[152/521]

Algorithm lc744_寻找比目标字母大的最小字母 直接特判z,然后其他的顺序寻找就行 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 class Solution { public: char nextGreatestLetter(vector<char>& letters, char target) {