原创 【CodeForces - 821D Okabe and City】 最短路spfa
E - Okabe and City Okabe likes to be able to walk through his city on a path lit by street lamps. That way, he
2020-06-16 06:59:12
原创 【POJ - 2955 Brackets】 區間DP
L - Brackets We give the following inductive definition of a “regular brackets” sequence: the empty sequence is a re
2020-06-16 06:59:12
原创 【CodeForces - 821C Okabe and Boxes】 思維+模擬
D - Okabe and Boxes Okabe and Super Hacker Daru are stacking and removing boxes. There are n boxes numbered from 1 to
2020-06-16 06:59:12
原创 【FZU - 2283 Tic-Tac-Toe】 模擬
L - Tic-Tac-Toe Kim likes to play Tic-Tac-Toe. Given a current state, and now Kim is going to take his next move. Pl
2020-06-16 06:59:12
原创 【CodeForces - 777E Hanoi Factory】 貪心+棧
E - Hanoi Factory Of course you have heard the famous task about Hanoi Towers, but did you know that there is a speci
2020-06-16 06:59:12
原创 【CodeForces - 798C Mike and gcd problem】 思維+貪心
E - Mike and gcd problem Mike has a sequence A = [a1, a2, ..., an] of length n. He considers the sequence B =
2020-06-16 06:59:12
原创 【POJ - 2230 Watchcow】 歐拉回路
G - Watchcow Bessie's been appointed the new watch-cow for the farm. Every night, it's her job to walk across the farm
2020-06-16 06:59:12
原创 【CodeForces - 758C Unfair Poll】 暴力 + 模擬
D - Unfair Poll On the Literature lesson Sergei noticed an awful injustice, it seems that some students are asked mor
2020-06-16 06:59:12
原创 【SCU - 3596 Article Decryption】 字典樹 + DP
I - Article Decryption Time Limit:1000ms Memory Limit:65536KB Description You are given an dictionary in wh
2020-02-25 17:14:22
原创 【HDU - 5573 Binary Tree】 構造
F - Binary Tree The Old Frog King lives on the root of an infinite tree. According to the law, each node should conne
2020-02-25 17:14:22
原创 【HDU - 1811 Rank of Tetris】 並查集+拓撲排序
B - Rank of Tetris 自從Lele開發了Rating系統，他的Tetris事業更是如虎添翼，不久他遍把這個遊戲推向了全球。 爲了更好的符合那些愛好者的喜好，Lele又想了一個新點子：他將製作一個全球Tetris高手排行榜
2020-02-25 17:14:22
原创 POJ題目分類
借鑑學習 轉載鏈接：http://www.cnblogs.com/kuangbin/archive/2011/07/29/2120667.html 初期: 一.基本算法: (1)枚舉. (poj1753,poj2965
2020-02-25 17:14:12
原创 【CodeForces - 808B Average Sleep Time】 思維
D - Average Sleep Time It's been almost a week since Polycarp couldn't get rid of insomnia. And as you may alre
2020-02-25 17:14:12
原创 【HDU - 1059 Dividing】 混合揹包
I - Dividing Marsha and Bill own a collection of marbles. They want to split the collection among themselves so that
2020-02-25 17:14:12
原创 【Gym - 100482B Farmer 】 思維
B - Farmer John is a successful farmer and he would like to expand his business. For this reason he is going to buy a
2020-02-25 17:14:12