Acerkoo

2018年9月12日

2018 徐州网络赛 C

摘要： 262144K Morgana is playing a game called cacti lottery. In this game, morgana has a 3 \times 33×3 grid graph, and the graph is filled with 11 ~ 99 , e 阅读全文

posted @ 2018-09-12 23:20 Acerkoo 阅读(155) 评论(0) 推荐(0) 编辑

2018 徐州网络赛 B

摘要： 262144K In a world where ordinary people cannot reach, a boy named "Koutarou" and a girl named "Sena" are playing a video game. The game system of thi 阅读全文

posted @ 2018-09-12 23:19 Acerkoo 阅读(169) 评论(0) 推荐(0) 编辑

2018 徐州网络赛A

摘要： 262144K After Incident, a feast is usually held in Hakurei Shrine. This time Reimu asked Kokoro to deliver a Nogaku show during the feast. To enjoy th 阅读全文

posted @ 2018-09-12 23:18 Acerkoo 阅读(230) 评论(0) 推荐(0) 编辑

2018年9月10日

2018 徐州网络赛 G

摘要： There's a beach in the first quadrant. And from time to time, there are sea waves. A wave ( xx , yy ) means the wave is a rectangle whose vertexes are 阅读全文

posted @ 2018-09-10 20:08 Acerkoo 阅读(155) 评论(0) 推荐(0) 编辑

2018年9月5日

Split The Tree（dfs序+树状数组）

摘要： Split The Tree 题目描述 You are given a tree with n vertices, numbered from 1 to n. ith vertex has a value wiWe define the weight of a tree as the number 阅读全文

posted @ 2018-09-05 19:04 Acerkoo 阅读(707) 评论(1) 推荐(1) 编辑

2018年9月3日

A Question of Ingestion（Dp）

摘要： A Question of Ingestion 题目描述 Stan Ford is a typical college graduate student, meaning that one of the most important things on his mind is where his n 阅读全文

posted @ 2018-09-03 20:01 Acerkoo 阅读(385) 评论(0) 推荐(0) 编辑

2018年8月29日

Starting a Scenic Railroad Service（前缀和+差分）

摘要： Starting a Scenic Railroad Service 题目描述 Jim, working for a railroad company, is responsible for planning a new tourist train service. He is sure that 阅读全文

posted @ 2018-08-29 22:03 Acerkoo 阅读(465) 评论(0) 推荐(0) 编辑

Rendezvous on a Tetrahedron （模拟）

摘要： Rendezvous on a Tetrahedron 题目描述 One day, you found two worms P and Q crawling on the surface of a regular tetrahedron with four vertices A, B, C, and 阅读全文

posted @ 2018-08-29 21:53 Acerkoo 阅读(443) 评论(0) 推荐(0) 编辑

2018年8月28日

7032: Knightsbridge Rises（网络流+dfs）

摘要： Knightsbridge Rises 题目描述 High-rise buildings in the wealthy retail district of Knightsbridge are usually built with exotic hoisting machines known, in 阅读全文

posted @ 2018-08-28 23:32 Acerkoo 阅读(260) 评论(0) 推荐(0) 编辑

7033: Lounge Lizards（lis）

摘要： 7033: Lounge Lizards 题目描述 Monitor lizards are a kind of reptile known mainly for their cold-bloodedness and addiction to computer screens. Due to thei 阅读全文

posted @ 2018-08-28 20:27 Acerkoo 阅读(207) 评论(0) 推荐(0) 编辑

临渊羡鱼，不如退而结网。

公告