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第 445 场周赛-20250413

https://leetcode.cn/contest/weekly-contest-445/

中国时间:2025-04-13 10:30, 1 小时 30 分

3516.找到最近的人

https://leetcode.cn/problems/find-closest-person/

3517.最小回文排列I

string, counting sort, sorting, https://leetcode.cn/problems/smallest-palindromic-rearrangement-i/

3518.最小回文排列II

hash table, math, string, combinatorics, counting, https://leetcode.cn/problems/smallest-palindromic-rearrangement-ii/

3519.统计逐位递减的整数

数位DP,https://leetcode.cn/problems/count-numbers-with-non-decreasing-digits/