Ural Sport Programming Championship 2015 A - The First Day at School 题目描述:给出课程安排,打印一个课程表. solution 暴力模拟. B - Maths 题目描述:给定一个数\(n\),找出一个序列\(a_i\)满足\(\forall i \in [2, n], \sum_{j=1}^{j \leq i} a_j\) 有\(a_i\)个约数. solution 暴力搜索,发现和不会超过\(2 \times 10^6\),…
Method ringing is used to ring bells in churches, particularly in England. Suppose there are 6 bells that have 6 different pitches. We assign the number 1 to the bell highest in pitch, 2 to the second highest, and so on. When the 6 bells are rung in…
In an unprecedented turn of events, goblins recently launched an invasion against the Nedewsian city of Mlohkcots. Goblins—small, green critters—love nothing more than to introduce additional entropy into the calm and ordered lives of ordinary people…
Ada, Bertrand and Charles often argue over which TV shows to watch, and to avoid some of their fights they have finally decided to buy a video tape recorder. This fabulous, new device can record kk different TV shows simultaneously, and whenever a sh…
You're investigating what happened when one of your computer systems recently broke down. So far you've concluded that the system was overloaded; it looks like it couldn't handle the hailstorm of incoming requests. Since the incident, you have had am…
1227. Rally Championship Time limit: 1.0 secondMemory limit: 64 MB A high-level international rally championship is about to be held. The rules of the race state that the race is held on ordinary roads and the route has a fixed length. You are given…
