2020年4月17日
1399. Count Largest Group
摘要： Given an integer n. Each number from 1 to n is grouped according to the sum of its digits. Return how many groups have the largest size. Example 1: In 阅读全文
posted @ 2020-04-17 10:32 Schwifty 阅读(331) 评论(0) 推荐(0)
1396. Design Underground System
摘要： Implement the class UndergroundSystem that supports three methods: 1. checkIn(int id, string stationName, int t) A customer with id card equal to id, 阅读全文
posted @ 2020-04-17 09:58 Schwifty 阅读(295) 评论(0) 推荐(0)