摘要：
描述 给定两个日期，计算这两个日期之间有多少个2月29日（包括起始日期）。 只有闰年有2月29日，满足以下一个条件的年份为闰年： 1. 年份能被4整除但不能被100整除 2. 年份能被400整除 输入 第一行为一个整数T，表示数据组数。 之后每组数据包含两行。每一行格式为"month da... 阅读全文
摘要：
Piotr likes playing with ants. He has n of them on a horizontal pole L cm long. Each ant is facing either left or right and walks at a constant spee... 阅读全文
摘要：
Problem A Communist regime is trying to redistribute wealth in a village. They have have decided to sit everyone around a circular table. First, ev... 阅读全文
摘要：
There is a war and it doesn't look very promising for your country. Now it's time to act. You have a commando squad at your disposal and planning an... 阅读全文
摘要：
Description Problem C: The Dragon of Loowater Once upon a time, in the Kingdom of Loowater, a minor nuisance turned into a major problem. The ... 阅读全文