原创 【CodeForces 676C 】 Vasya and String 二分法
High school student Vasya got a string of length n as a birthday present. This string consists of letters ‘a’ and ‘
2020-06-23 12:48:42
原创 【CodeForces 550C 】Divisibility by Eight DFS 數學
You are given a non-negative integer n, its decimal representation consists of at most 100 digits and doesn’t conta
2020-06-23 12:48:30
原创 【CodeForces 782B】 The Meeting Place Cannot Be Changed 二分
The main road in Bytecity is a straight line from south to north. Conveniently, there are coordinates measured in m
2020-06-23 12:48:30
5
原创 【CodeForces 304A 】Pythagorean Theorem II 高斯素數 高效算法
In mathematics, the Pythagorean theorem — is a relation in Euclidean geometry among the three sides of a right-angl
2020-06-23 12:48:30
2
原创 【CodeForces 591B 】 Rebranding 哈希
The name of one small but proud corporation consists of n lowercase English letters. The Corporation has decided to
2020-06-23 12:48:30
13
原创 【CodeForces 577B】 Modulo Sum 鴿巢（抽屜）原理 DP
You are given a sequence of numbers a1, a2, …, an, and a number m. Check if it is possible to choose a non-empty su
2020-06-23 12:48:30
原创 【HDU 2670】 Girl Love Value 動態規劃dp
Problem Description Love in college is a happy thing but always have so many pity boys or girls can not find it. No
2020-06-23 12:48:30
原创 【CodeForces 682A 】Alyona and Numbers 思維
After finishing eating her bun, Alyona came up with two integers n and m. She decided to write down two columns of
2020-06-23 12:48:30
原创 【CodeForces 676B 】 Pyramid of Glasses DFS模擬
Mary has just graduated from one well-known University and is now attending celebration party. Students like to dre
2020-06-23 12:48:30
原创 【Codeforces】GCD Compression 唯一分解定理 思維
Ashishgup and FastestFinger play a game. They start with a number n and play in turns. In each turn, a player can m
2020-06-23 12:48:29
原创 【CodeForces 577C】 唯一分解定理
Vasya and Petya are playing a simple game. Vasya thought of number x between 1 and n, and Petya tries to guess the
2020-06-23 12:48:29
1
原创 Floyd算法的深入理解 嘗試魔改核心代碼
https://blog.csdn.net/qq_45492531/article/details/104452588 在我這個博客中，一次訓練的機會讓我接觸到了floyd算法。 對這個算法的思路理解之後，想追尋本源地挖掘一下這個
2020-06-23 12:48:29
原创 【SCAU 14校賽】17998 Equality 簽到題 注意億點細節
Description Do you know the problem “Divisible” in SCAUCPC 2013? No? It does not matter. Today, I will introduce a
2020-06-16 07:26:33
原创 【SCAU 16校賽】 18112 Play Ball 物理 最短路 floyd
Description One day, Xiaoming and his friends want to play the basketball, but there are not basketball court nearb
2020-06-16 07:26:33
原创 【SCAU 19校賽】 18430 Aerial Photography DFS 暴力
Description Alice is preparing for her next trip during the summer vocation. She is now planing for the route of ae
2020-06-16 07:26:33