随笔分类 - 解题报告

解题报告及代码

[代码]BZOJ 2831 小强的金字塔

摘要：AbstractBZOJ 2831 小强的金字塔数学题Sourcehttp://www.lydsy.com/JudgeOnline/problem.php?id=2831Solutionhttp://wjmzbmr.com/archives/xiaoqiang_pyramid/一开始sb，写了三个函数，复杂度直接爆……后来问clj被告知他只写了一个函数……写成一个函数或者搞三个然后记忆化都可以过。我果然是sb……Code/************************************************************** Problem: 2831 User... 阅读全文

posted @ 2013-05-07 10:29 杂鱼阅读(552) 评论(0) 推荐(0)

[代码]codeforces 274B Zero Tree

摘要：Abstractcodeforces 274B Zero Tree树型dpSourcehttp://codeforces.com/problemset/problem/274/BSolution艹，发现我已经快不会写代码了…赶快发个日志表示我有在做题…Code#include <iostream>#include <vector>#include <algorithm>using namespace std;typedef long long ll;typedef pair<ll, ll> pr;pr (*mkpr)(ll, ll) = make 阅读全文

posted @ 2013-02-21 13:16 杂鱼阅读(506) 评论(0) 推荐(0)

[代码]ACM-ICPC 2012 Regionals Asia - Jinhua D Crazy Tank / HDU 4445

摘要：ACM-ICPC 2012 Regionals Asia - Jinhua D Crazy Tank / HDU 4445 扫描线阅读全文

posted @ 2012-11-04 18:54 杂鱼阅读(791) 评论(0) 推荐(0)

[报告]codeforces 175d Plane of Tanks: Duel

摘要：codeforces 175d Plane of Tanks: Duel dp 概率乱搞阅读全文

posted @ 2012-10-27 01:37 杂鱼阅读(502) 评论(0) 推荐(0)

[代码]codeforces 150c Smart Cheater

摘要：codeforces 150c Smart Cheater 线段树概率阅读全文

posted @ 2012-10-26 15:21 杂鱼阅读(426) 评论(0) 推荐(0)

[代码]ural 1913 Titan Ruins: Old Generators Are Fine Too

摘要：ural 1913 Titan Ruins: Old Generators Are Fine Too implementation 几何圆交阅读全文

posted @ 2012-10-22 20:21 杂鱼阅读(366) 评论(0) 推荐(0)

[代码]ural 1655 Somali Pirates

摘要：ural 1655 Somali Pirates dp 阅读全文

posted @ 2012-10-19 00:08 杂鱼阅读(361) 评论(0) 推荐(0)

[代码]ACM-ICPC 2012 Regionals Asia - Changchun A Alice and Bob / ZJU 3655

摘要：ZJU 3655 Alice and Bob 乱搞离散化 implementation 阅读全文

posted @ 2012-10-17 21:46 杂鱼阅读(1098) 评论(0) 推荐(0)

[代码]ural 1908 Brute-force Search

摘要：ural 1908 Brute-force Search 树形dp 阅读全文

posted @ 2012-10-16 21:29 杂鱼阅读(500) 评论(0) 推荐(0)

[报告]ACM-ICPC 2012 Regionals Asia - Changchun I Polaris of Pandora / ZJU 3663

摘要：ACM-ICPC 2012 Regionals Asia - Changchun I Polaris of Pandora / ZJU 3663 三维计算几何阅读全文

posted @ 2012-10-15 21:22 杂鱼阅读(652) 评论(0) 推荐(0)

[报告]ZJU 3648 Gao the Grid II

摘要：ZJU 3648 Gao the Grid II 组合计数不等式阅读全文

posted @ 2012-10-02 15:54 杂鱼阅读(429) 评论(0) 推荐(0)

[报告]ZJU 3651 Cipher Lock

摘要：ZJU 3651 Cipher Lock 组合计数 DP 矩阵乘法阅读全文

posted @ 2012-10-02 00:12 杂鱼阅读(388) 评论(0) 推荐(0)

[报告]HDU 4418 Time travel

摘要：HDU 4418 Time travel 概率 Markov链高斯消元阅读全文

posted @ 2012-09-24 22:03 杂鱼阅读(1127) 评论(2) 推荐(0)

[报告]HDU 4413 Logical Expression

摘要：HDU 4413 Logical Expression 乱搞卡诺图阅读全文

posted @ 2012-09-23 21:56 杂鱼阅读(795) 评论(0) 推荐(0)

[报告]HDU 4343 Interval query

摘要：HDU 4343 Interval query 离线查询倍增祖先阅读全文

posted @ 2012-08-08 00:28 杂鱼阅读(832) 评论(2) 推荐(0)

[代码]HDU 4335 What is N?

摘要：HDU 4335 What is N? 数论阅读全文

posted @ 2012-08-03 20:49 杂鱼阅读(522) 评论(0) 推荐(0)

[代码]SPOJ 10649 Mirror Number

摘要：SPOJ 10649 Mirror Number 数位dp, 统计阅读全文

posted @ 2012-05-22 02:04 杂鱼阅读(577) 评论(4) 推荐(0)

[报告]NEERC Southern Subregional 2007解题报告

摘要：NEERC Southern Subregional 2007 解题报告阅读全文

posted @ 2012-05-20 11:50 杂鱼阅读(716) 评论(0) 推荐(0)

[代码]SGU 298 King Berl VI

摘要：SGU 298 King Berl VI 代码阅读全文

posted @ 2012-05-15 09:52 杂鱼阅读(390) 评论(0) 推荐(0)

[代码]SGU 270 Thimbles

摘要：SGU 270 Thimbles 图论技巧打补丁阅读全文

posted @ 2012-04-30 00:14 杂鱼阅读(326) 评论(0) 推荐(0)