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/