hqf1992-优快云博客

原创回溯法Square

SquareDescriptionGiven a set ofsticks of various lengths, is it possible to join them end-to-end to form asquare?InputThe first line ofinput contains N, the number of test cases. Each test cas

2015-11-26 19:46:22 481

原创回溯法Matrix

MatrixDescriptionGiven an n*nmatrix A, whose entries Ai,j are integer numbers ( 0 <= i < n, 0 <= j< n ). An operation SHIFT at row i ( 0 <= i < n ) will move theintegers in the row one position ri

2015-11-26 19:39:10 412

原创回溯法Perfect Cubes

Perfect CubesDescriptionFor hundreds ofyears Fermat's Last Theorem, which stated simply that for n > 2 there existno integers a, b, c > 1 such that a^n = b^n + c^n, has remained elusivelyunproven.

2015-10-01 09:34:13 671

原创回溯法之Additive equations

Additive equationsTime Limit: 10 Seconds Memory Limit: 32768 KB We all understandthat an integer set is a collection of distinct integers. Now the question is:given an integer

2015-09-29 19:43:45 656

原创回溯 dp FatMouse and Cheese

FatMouse and Cheese FatMouse has stored some cheese in a city.The city can be considered as a square grid of dimension n: each grid locationis labelled (p,q) where 0 <= p < n and 0 <= q < n. At ea

2015-09-28 23:15:25 493

原创回溯算法之Anagrams by Stack

Anagrams by Stack How can anagrams result from sequences ofstack operations? There are two sequences of stack operators which can convertTROT to TORT:[i i i i o o o oi o i i o o i o]wher

2015-08-18 21:05:19 636

原创回溯法之Fire Net

Fire NetSuppose that we have a square city withstraight streets. A map of a city is a square board with n rows and n columns,each representing a street or a piece of wall.A blockhouse is a small c

2015-08-16 16:09:21 449

原创贪心算法之Elevator Stopping Plan

Elevator Stopping PlanDescriptionZSoft Corp. is asoftware company in GaoKe Hall. And the workers in the hall are veryhard-working. But the elevator in that hall always drives them crazy. Why?Becau

2015-08-16 10:30:58 2398

原创贪心算法之Evil Straw Warts Live

Evil Straw Warts LiveDescriptionA palindrome is astring of symbols that is equal to itself when reversed. Given an input string,not necessarily a palindrome, compute the number of swaps necessar

2015-08-15 19:40:59 756

原创贪心算法之ian Ji -- The Horse Racing

Tian Ji -- The Horse RacingDescriptionHere is a famousstory in Chinese history. That was about2300 years ago. General Tian Ji was a high official in the country Qi. He likesto play horse racing

2015-08-15 16:44:27 1082

原创贪心算法New Year BonusGrant

New Year BonusGrant All programmers of Mocrosoft softwarecompany are organized in a strict subordination hierarchy. Every programmer hasexactly one chief, except Bill Hates who is also the head of

2015-08-14 23:09:40 551

原创贪心算法之Stripies

Stripies Our chemical biologists have invented anew very useful form of life called stripies (in fact, they were first calledin Russian - polosatiki, but the scientists had to invent an English na

2015-08-10 09:51:17 689

原创贪心算法之Radar Installation

Radar InstallationDescriptionAssume thecoasting is an infinite straight line. Land is in one side of coasting, sea inthe other. Each small island is a point locating in the sea side. And any radar

2015-08-09 23:20:17 401

原创贪心算法之Packets

PacketsDescriptionA factory producesproducts packed in square packets of the same height h and of the sizes 1*1,2*2, 3*3, 4*4, 5*5, 6*6. These products are always delivered to customers inthe squa

2015-08-09 14:40:57 1719 1

原创贪心算法之Entropy

EntropyDescriptionAn entropy encoderis a data encoding method that achieves lossless data compression by encoding amessage with "wasted" or "extra" information removed. Inother words, entropy enco

2015-08-08 21:48:52 635

原创动态规划之Cash Machine

Cash MachineDescriptionA Bank plans toinstall a machine for cash withdrawal. The machine is able to deliverappropriate @ bills for a requested cash amount. The machine uses exactly Ndistinct bill

2015-08-03 21:17:10 627

原创动态规划之UNIMODAL PALINDROMIC DECOMPOSITIONS

UNIMODAL PALINDROMIC DECOMPOSITIONSDescriptionA sequence ofpositive integers is Palindromic if it reads the same forward and backward. Forexample: 23 11 15 1 37 37 1 15 11 23 1 1 2 3 4 7 7 10

2015-08-03 19:59:08 649

原创动态规划之Jury Compromise

Jury Compromise In Frobnia, a far-awaycountry, the verdicts in court trials are determined by a jury consisting ofmembers of the general public. Every time a trial is set to begin, a jury hasto be

2015-07-31 13:16:54 595

原创 Optimal ArrayMultiplication Sequence

Optimal ArrayMultiplication SequenceGiven two arrays A and B, we can determinethe array C = A B using the standard definition of matrix multiplication:The number of columns in the A array mustbe

2015-07-30 09:36:10 483

原创典型动态规划之Always On the Run

Always On the RunDescriptionScreeching tires. Searching lights. Wailing sirens.Police cars everywhere. Trisha Quickfinger did it again! Stealing the `MonaLisa' had been more difficult than planned

2015-07-29 11:05:00 495

原创一个箱子的推箱子算法

题目意思：很简单，推箱子。给出步骤最少的一种方案即可解题思路：本题宜采用优先队列，使得步骤越少其优先级越高。关键在于处理son数组的问题。

2015-07-28 10:04:25 6245

原创求白色三角形的最大面积 Triangles

题目意思描述：找出图中白色三角形的最大面积，并输出。题目中用#表示黑色的三角形，用-表示白色三角形。

2015-07-27 15:50:05 529

原创求给定M个数组合构成N的最小倍数

MultipleDescriptiona program that,given a natural number N between 0 and 4999 (inclusively), and M distinctdecimal digits X1,X2..XM (at least one), finds the smallest strictly positivemultiple of

2015-07-26 15:44:13 1422

原创求无序不重复正整数数列最小字串的长度

Longest Ordered SubsequenceDescriptionA numeric sequence of ai is ordered if a1 a2 aN. Let the subsequence of the given numeric sequence (a1, a2, ..., aN) be any sequence (ai1, ai2, ..., aiK

2014-11-05 20:31:09 524

a program that, given a natural number N between 0 and 4999 (inclusively), and M distinct decimal digits X1,X2..XM (at least one), finds the smallest strictly positive multiple of N that has no other digits besides X1,X2..XM (if such a multiple exists).

2015-07-26

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