原创 【2017瀋陽網絡賽】1003 hdu6196 happy happy happy 暴搜+區間dp+卡時優化
Problem Description Today, Bob plays with a child. There is a row of n numbers. One can takes a number from the lef
2020-06-25 07:26:36
原创 2017 ACM/ICPC Asia Regional Qingdao Online 1007 hdu 6212 Zuma 區間dp
Problem Description Think about the Zuma Game. You have a row of at most 200 black(0) or white(1) balls on the tabl
2020-06-07 18:51:46
原创 【2017瀋陽網絡賽】1012 hdu6205 card card card 貪心
Problem Description As a fan of Doudizhu, WYJ likes collecting playing cards very much. One day, MJF takes a stack
2020-02-22 12:34:32
原创 【2017廣西邀請賽】hdu 6184 Counting Stars 三元環+set
Problem Description Little A is an astronomy lover, and he has found that the sky was so beautiful! So he is countin
2020-02-22 12:34:31
原创 【2017廣西邀請賽】hdu 6186 CS Course
Problem Description Little A has come to college and majored in Computer and Science. Today he has learned bit-opera
2020-02-22 12:34:31
原创 hdu 4799 LIKE vs CANDLE. 樹形dp
Problem Description A microblog caused a war recently - There's the war between LIKE and CANDLE. As you see, there
2020-02-22 12:34:31
原创 【2017瀋陽網絡賽】1006 hdu6199 gems gems gems 動態規劃
Problem Description Now there are n gems, each of which has its own value. Alice and Bob play a game with these n g
2020-02-22 12:34:21
原创 【2017廣西邀請賽】hdu 6188 Duizi and Shunzi 貪心
Problem Description Nike likes playing cards and makes a problem of it. Now give you n integers, ai(1≤i≤n) We define
2020-02-22 12:34:21
原创 【2017廣西邀請賽】hdu 6182 A Math Problem
Problem Description You are given a positive integer n, please count how many positive integers k satisfy kk≤n.
2020-02-22 12:34:21
原创 【2017新疆網絡賽】A Banana
Bananas are the favoured food of monkeys. In the forest, there is a Banana Company that provides bananas from differe
2020-02-22 12:34:21
原创 【2017新疆網絡賽】C Coconut
Coconut is Captain Gangplank's favourite fruit. That is why he needs to drink coconut juice from bbcoconuts each day
2020-02-22 12:34:21
原创 【2017新疆網絡賽】E Half-consecutive Numbers 打表
The numbers 11, 33, 66, 1010, 1515, 2121, 2828, 3636, 4545 and ti=12i(i+1)ti=21i(i+1), are called half-conse
2020-02-22 12:34:21
原创 【2013南京現場賽】1003 hdu4804 Campus Design 插頭dp
Problem Description Nanjing University of Science and Technology is celebrating its 60th anniversary. In order to ma
2020-02-22 12:34:21
原创 zoj 3732 Graph Reconstruction 構造
Let there be a simple graph with N vertices but we just know the degree of each vertex. Is it possible to reconstruct
2020-02-22 12:34:21
原创 【2013南京現場賽】1001 hdu4802 GPA
Problem Description In college, a student may take several courses. for each course i, he earns a certain credit (ci
2020-02-22 12:34:21