啥都不会啊！怎么办啊！

Fitz

慢慢来生活总会好起来的！！！

随笔分类 -  技巧题

Codeforces Round #493 (Div. 2)D. Roman Digits 第一道打表找规律题目
摘要：D. Roman Digits time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output D. Roman Digits time limi 阅读全文
posted @ 2018-08-08 21:27 Fitz~ 阅读(418) 评论(0) 推荐(0)
2101: Bake Off
摘要：Description Davy decided to start a weekend market stall where he sells his famous cakes. For the first market stall, Davy decided to bake n cakes. Ea 阅读全文
posted @ 2018-05-20 22:56 Fitz~ 阅读(206) 评论(0) 推荐(0)
Xor Sum 01字典树 hdu4825
摘要：Xor Sum Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 132768/132768 K (Java/Others)Total Submission(s): 4119 Accepted Submission(s): 1796 Probl 阅读全文
posted @ 2018-05-18 00:01 Fitz~ 阅读(291) 评论(0) 推荐(0)
D. Kuro and GCD and XOR and SUM
摘要：Kuro is currently playing an educational game about numbers. The game focuses on the greatest common divisor (GCD), the XOR value, and the sum of two 阅读全文
posted @ 2018-05-17 19:53 Fitz~ 阅读(437) 评论(0) 推荐(0)
Codeforces Round #478 C. Valhalla Siege
摘要：C. Valhalla Siege time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Ivar the Boneless is a 阅读全文
posted @ 2018-05-03 08:58 Fitz~ 阅读(421) 评论(0) 推荐(0)
Saruman’s Level Up~（多校赛算组合数）
摘要：Description Saruman’s army of orcs and other dark minions continuously mine and harvest lumber out of the land surrounding his mighty tower for N cont 阅读全文
posted @ 2018-04-18 21:50 Fitz~ 阅读(232) 评论(0) 推荐(0)
数学考试~前缀和（尺取）
摘要：链接：https://www.nowcoder.com/acm/contest/96/H来源：牛客网 题目描述 今天qwb要参加一个数学考试，这套试卷一共有n道题，每道题qwb能获得的分数为ai，qwb并不打算把这些题全做完， 他想选总共2k道题来做，并且期望他能获得的分数尽可能的大，他准备选2个不 阅读全文
posted @ 2018-04-16 18:35 Fitz~ 阅读(220) 评论(0) 推荐(0)
区间的连续段~ST表（模板题）
摘要：链接：https://www.nowcoder.com/acm/contest/82/B来源：牛客网 时间限制：C/C++ 7秒，其他语言14秒 空间限制：C/C++ 262144K，其他语言524288K 64bit IO Format: %lld 时间限制：C/C++ 7秒，其他语言14秒 空间 阅读全文
posted @ 2018-04-06 17:30 Fitz~ 阅读(305) 评论(0) 推荐(0)
wyh的天鹅~vector的使用
摘要：链接：https://www.nowcoder.com/acm/contest/93/L来源：牛客网 时间限制：C/C++ 3秒，其他语言6秒 空间限制：C/C++ 262144K，其他语言524288K 64bit IO Format: %lld 时间限制：C/C++ 3秒，其他语言6秒 空间限制 阅读全文
posted @ 2018-04-05 19:08 Fitz~ 阅读(241) 评论(0) 推荐(0)
快速幂~用来作弊的药水~牛客网
摘要：链接：https://www.nowcoder.com/acm/contest/90/L来源：牛客网 在一个风雨交加的夜晚，来自异世界的不愿透露姓名的TMK同学获得了两种超强药水A、B。根据说明书，TMK知道了这两种药水的作用： (1)药水A能使人的生命值提高，每饮用1个单位能使他生命值变成原来的x 阅读全文
posted @ 2018-03-25 21:49 Fitz~ 阅读(650) 评论(12) 推荐(0)
POJ 3190 Stall Reservations
摘要：Description Oh those picky N (1 <= N <= 50,000) cows! They are so picky that each one will only be milked over some precise time interval A..B (1 <= A 阅读全文
posted @ 2018-03-22 11:42 Fitz~ 阅读(126) 评论(0) 推荐(0)
Bond UVA - 11354（LCA应用题）
摘要：Once again, James Bond is on his way to saving the world. Bond's latest mission requires him to travel between several pairs of cities in a certain co 阅读全文
posted @ 2018-03-19 00:03 Fitz~ 阅读(240) 评论(0) 推荐(0)
LCA倍增算法
摘要：LCA 算法是一个技巧性很强的算法。 十分感谢月老提供的模板。 这里我实现LCA是通过倍增，其实就是二进制优化。 任何一个数都可以有2的阶数实现 例如16可以由1 2 4 8组合得到 5可以由1 2 4 组合得到 便于读者理解 我放一道例题吧 Problem F: 挑战迷宫 Description 阅读全文
posted @ 2018-03-16 12:40 Fitz~ 阅读(512) 评论(0) 推荐(0)
Defeat the Enemy UVALive - 7146
摘要：Long long ago there is a strong tribe living on the earth. They always have wars and eonquer others. One day, there is another tribe become their targ 阅读全文
posted @ 2018-03-08 20:44 Fitz~ 阅读(202) 评论(0) 推荐(0)
Alice and Bob HDU - 4268
摘要：Alice and Bob's game never ends. Today, they introduce a new game. In this game, both of them have N different rectangular cards respectively. Alice w 阅读全文
posted @ 2018-03-08 17:57 Fitz~ 阅读(188) 评论(0) 推荐(0)
Text Document Analysis CodeForces - 723B
摘要：Modern text editors usually show some information regarding the document being edited. For example, the number of words, the number of pages, or the n 阅读全文
posted @ 2018-03-07 13:54 Fitz~ 阅读(174) 评论(0) 推荐(0)
Carries SCU - 4437
摘要：Carries frog has nn integers a1,a2,…,ana1,a2,…,an, and she wants to add them pairwise. Unfortunately, frog is somehow afraid of carries (进位). She defi 阅读全文
posted @ 2018-03-06 19:40 Fitz~ 阅读(180) 评论(0) 推荐(0)
Trouble HDU - 4334
摘要：Hassan is in trouble. His mathematics teacher has given him a very difficult problem called 5-sum. Please help him. The 5-sum problem is defined as fo 阅读全文
posted @ 2018-03-05 22:53 Fitz~ 阅读(166) 评论(0) 推荐(0)