随笔分类 - OJ---计蒜客
摘要：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 this video
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摘要：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 the show,
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摘要：Given a rooted tree ( the root is node 11 ) of NN nodes. Initially, each node has zero point. Then, you need to handle QQ operations. There're two typ
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摘要：One day in the jail, F·F invites Jolyne Kujo (JOJO in brief) to play tennis with her. However, Pucci the father somehow knows it and wants to stop her
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摘要：There are NN different kinds of transport ships on the port. The i^{th}ith kind of ship can carry the weight of V[i]V[i] and the number of the i^{th}i
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摘要：A prince of the Science Continent was imprisoned in a castle because of his contempt for mathematics when he was young, and was entangled in some math
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摘要：You ye Jiu yuan is the daughter of the Great GOD Emancipator. And when she becomes an adult, she will be queen of Tusikur, so she wanted to travel the
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摘要：God Water likes to eat meat, fish and chocolate very much, but unfortunately, the doctor tells him that some sequence of eating will make them poisono
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摘要：17.64% 1000ms 131072K A sequence of integer \lbrace a_n \rbrace{an} can be expressed as: \displaystyle a_n = \left\{ \begin{array}{lr} 0, & n=0\\ 2,
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摘要："Oh, There is a bipartite graph.""Make it Fantastic." X wants to check whether a bipartite graph is a fantastic graph. He has two fantastic numbers, a
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摘要：After the long vacation, the maze designer master has to do his job. A tour company gives him a map which is a rectangle. The map consists of N \times
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摘要：42.93% 1000ms 131072K LATTICE is learning Digital Electronic Technology. He is talented, so he understood all those pieces of knowledge in 10^{-9}10−9
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摘要：26.89% 1000ms 131072K A prime number (or a prime) is a natural number greater than 11 that cannot be formed by multiplying two smaller natural numbers
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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
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摘要：Ryuji is not a good student, and he doesn't want to study. But there are n books he should learn, each book has its knowledge a[i]a[i]. Unfortunately,
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摘要：Morgana is learning computer vision, and he likes cats, too. One day he wants to find the cat movement from a cat video. To do this, he extracts cat f
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摘要：54.19% 2000ms 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 wi
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摘要：19.32% 1000ms 256000K A number is skr, if and only if it's unchanged after being reversed. For example, "12321", "11" and "1" are skr numbers, but "12
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