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hdu 4969 Just a Joke(数学)
题目：Just a JokeTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 698 Accepted Submission(s): 312Problem DescriptionHere原创 2015-09-06 00:10:29 · 453 阅读 · 0 评论 -
hdu 4965 Fast Matrix Calculation(数学)
题目：Fast Matrix CalculationTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1107 Accepted Submission(s): 531Problem Descrip原创 2015-09-06 00:02:32 · 412 阅读 · 0 评论 -
hdu4961 Boring Sum(数学)
题目：Boring SumTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1213 Accepted Submission(s): 569Problem DescriptionNumbe原创 2015-09-05 23:57:54 · 441 阅读 · 0 评论 -
hdu 4960 Another OCD Patient(动态规划)
题目：Another OCD PatientTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1320 Accepted Submission(s): 459Problem Description原创 2015-09-05 23:46:32 · 430 阅读 · 0 评论 -
hdu 3572 Task Schedule(最大流)
题目：Task ScheduleTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5748 Accepted Submission(s): 1848Problem DescriptionOur原创 2015-09-05 00:22:25 · 471 阅读 · 0 评论 -
hdu 3338 Kakuro Extension(最大流)
题目：Kakuro ExtensionTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1412 Accepted Submission(s): 474Special JudgeProblem Des原创 2015-09-05 00:09:55 · 524 阅读 · 0 评论 -
hdu 2883 kebab(最大流)
题目：kebabTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1280 Accepted Submission(s): 534Problem DescriptionAlmost every原创 2015-09-04 23:53:16 · 576 阅读 · 0 评论 -
hdu 4915 Parenthese sequence（贪心，模拟）
题目：Parenthese sequenceTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1181 Accepted Submission(s): 485Problem Description原创 2015-09-04 00:28:31 · 512 阅读 · 0 评论 -
hdu4911 Inversion(逆序对数)
题目：InversionTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 2765 Accepted Submission(s): 1024Problem Descriptionbobo原创 2015-09-04 00:16:08 · 404 阅读 · 0 评论 -
hdu1532 Drainage Ditches（最大流）
题目：Drainage DitchesTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 12660 Accepted Submission(s): 6033Problem Description原创 2015-09-03 00:35:33 · 508 阅读 · 0 评论 -
POJ2796 Feel Good(单调栈)
题目：Feel GoodTime Limit: 3000MS Memory Limit: 65536KTotal Submissions: 11415 Accepted: 3148Case Time Limit: 1000MS Special JudgeDescriptionBill i原创 2015-09-03 00:32:20 · 397 阅读 · 0 评论 -
POJ 3250 Bad Hair Day（单调栈）
题目：Bad Hair DayTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 15613 Accepted: 5219DescriptionSome of Farmer John's N cows (1 ≤ N ≤ 80,000) are原创 2015-09-02 15:40:11 · 390 阅读 · 0 评论 -
hdu3530 Subsequence(单调队列)
题目：SubsequenceTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5146 Accepted Submission(s): 1712Problem DescriptionThere原创 2015-09-02 15:09:56 · 765 阅读 · 1 评论 -
Codeforces 318 div2.D Bear and Blocks(dp,贪心)
题目：D. Bear and Blockstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputLimak is a little bear原创 2015-09-02 00:14:03 · 595 阅读 · 0 评论 -
POJ2823 Sliding Window(单调队列)
题目：Sliding WindowTime Limit: 12000MS Memory Limit: 65536KTotal Submissions: 48443 Accepted: 13988Case Time Limit: 5000MSDescriptionAn array of size n ≤原创 2015-09-01 23:57:18 · 354 阅读 · 0 评论 -
hdu4122 Alice's mooncake shop(单调队列)
题目：Alice's mooncake shopTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3425 Accepted Submission(s): 868Problem DescriptionTh原创 2015-09-01 23:51:15 · 654 阅读 · 0 评论 -
hdu5416 CRB and Tree（树形DP）
题目：CRB and TreeTime Limit: 8000/4000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1247 Accepted Submission(s): 406Problem DescriptionCRB has a t原创 2015-09-01 23:37:29 · 453 阅读 · 0 评论 -
hdu5414 CRB and String（构造，模拟）
题目：CRB and StringTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1114 Accepted Submission(s): 384Problem DescriptionCRB has t原创 2015-09-01 23:25:43 · 752 阅读 · 0 评论 -
hdu 5410 CRB and His Birthday（动态规划）
题目：CRB and His BirthdayTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 748 Accepted Submission(s): 395Problem DescriptionToda原创 2015-08-31 12:44:02 · 577 阅读 · 0 评论 -
hdu 5407 CRB and Candies
题目：CRB and CandiesTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 652 Accepted Submission(s): 324Problem DescriptionCRB has N原创 2015-08-31 12:18:00 · 576 阅读 · 0 评论 -
ZOJ 3497 Mistwald（矩阵快速幂）
题目：MistwaldTime Limit: 2 Seconds Memory Limit: 65536 KB In chapter 4 of the game Trails in the Sky SC, Estelle Bright and her friends are crossing Mistwald to meet their final ene原创 2015-08-29 23:00:24 · 829 阅读 · 0 评论 -
hdu5389 Zero Escape(动态规划)
题目：Zero EscapeTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1209 Accepted Submission(s): 594Problem DescriptionZero Escap原创 2015-08-29 01:03:10 · 735 阅读 · 0 评论 -
hdu5384 Danganronpa(AC自动机)
题目：DanganronpaTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 827 Accepted Submission(s): 443Problem DescriptionDanganronpa原创 2015-08-29 00:53:37 · 778 阅读 · 0 评论 -
hdu1757 A Simple Math Problem(矩阵快速幂)
题目：A Simple Math ProblemTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3522 Accepted Submission(s): 2130Problem DescriptionL原创 2015-08-29 00:50:04 · 878 阅读 · 0 评论 -
hdu5387 Clock(数学水题)
题目：ClockTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 709 Accepted Submission(s): 452Problem DescriptionGive a time.(hh:mm:原创 2015-08-28 21:51:10 · 705 阅读 · 0 评论 -
hdu5386 Cover(暴力，观察)
题目：CoverTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1449 Accepted Submission(s): 498Special JudgeProblem DescriptionYou h原创 2015-08-28 21:45:30 · 698 阅读 · 0 评论 -
hdu1588 Gauss Fibonacci（矩阵快速幂+二分求矩阵等比和）
题目：Gauss FibonacciTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2858 Accepted Submission(s): 1186Problem DescriptionWithout原创 2015-08-28 00:50:08 · 1142 阅读 · 0 评论 -
hdu1575 Tr A（矩阵快速幂）
题目：Tr ATime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3689 Accepted Submission(s): 2754Problem DescriptionA为一个方阵，则Tr A表示A的迹（原创 2015-08-28 00:37:35 · 935 阅读 · 0 评论 -
POJ 3185 The Water Bowls(高斯消元法，枚举自由变元)
题目：The Water BowlsTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 5013 Accepted: 1960DescriptionThe cows have a line of 20 water bowls from which th原创 2015-08-28 00:34:41 · 1200 阅读 · 0 评论 -
hdu 5379 Mahjong tree(构造)
题目：Mahjong treeTime Limit: 6000/3000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1471 Accepted Submission(s): 448Problem DescriptionLittle sun原创 2015-08-26 22:42:14 · 579 阅读 · 0 评论 -
hdu5375 Gray code(动态规划)
题目：Gray codeTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 860 Accepted Submission(s): 490Problem DescriptionThe reflected b原创 2015-08-26 22:11:44 · 579 阅读 · 0 评论 -
POJ 1753 Flip Game(高斯消元法，枚举自由变元)
题目：Flip GameTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 34731 Accepted: 15207DescriptionFlip game is played on a rectangular 4x4 field with two-原创 2015-08-26 21:51:18 · 1484 阅读 · 1 评论 -
hdu5373 The shortest problem(模拟，数学)
题目：The shortest problemTime Limit: 3000/1500 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1479 Accepted Submission(s): 682Problem DescriptionIn原创 2015-08-26 22:02:12 · 533 阅读 · 0 评论 -
POJ 2065 SETI（高斯消元解模方程组）
题目：SETITime Limit: 1000MS Memory Limit: 30000KTotal Submissions: 1693 Accepted: 1054DescriptionFor some years, quite a lot of work has been put into listening原创 2015-08-25 21:04:19 · 868 阅读 · 0 评论 -
hdu5402 Travelling Salesman Problem(棋盘染色+模拟)
题目：Travelling Salesman ProblemTime Limit: 3000/1500 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 906 Accepted Submission(s): 331Special JudgeProbl原创 2015-08-25 19:46:26 · 677 阅读 · 0 评论 -
HDU 5400 Arithmetic Sequence(数学，容斥)
题目：Arithmetic SequenceTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 938 Accepted Submission(s): 412Problem DescriptionA seq原创 2015-08-25 00:36:37 · 831 阅读 · 1 评论 -
hdu5399 Too Simple（函数映射）
题目：Too SimpleTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1042 Accepted Submission(s): 355Problem DescriptionRhason Cheung原创 2015-08-25 00:21:05 · 1044 阅读 · 0 评论 -
HDU5396 Expressions(区间DP)
题目：欢迎参加——每周六晚的BestCoder（有米！）ExpressionTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 511 Accepted Submission(s): 300Prob原创 2015-08-25 00:03:33 · 759 阅读 · 0 评论 -
数学推导+高精度进制转换+解同余方程 POJ 3708
题意：点击打开链接把m,k表示成d进制，对于这个递归函数，每一次递归都是一次每一位数字的置换，求出每一位的循环节，最终f(m)=k就是要每一位都相等，即解同余方程组。代码：#include #include #include #include #include #include#include #include #include #include #incl原创 2015-07-30 22:54:59 · 600 阅读 · 0 评论 -
求大组合数 HIT2813
题意；给n,m,p,求C(n+m,n)%p利用阶乘的整数分解，将C写成阶乘的形式再分解成素数表达式求值。代码：#include #include #include #include #include #include#include #include #include #include #include #include #include #i原创 2015-07-17 00:08:29 · 558 阅读 · 0 评论