总有那么一群人喜欢盯着我的博客看，估计这是他们见过最长的博客名，我必须得告诉他们博客名最长可以写多长

uva 639 Don't Get RookedIn chess, the rook is a piece that can move any number of squares vertically or horizontally. In this problem we will consider small chess boards (at most 44) tha

uva 165 Stamps The government of Nova Mareterrania requires that various legal documents have stamps attached to them so that the government can derive revenue from them. In terms of rec

uva 10422 Knights in FENThere are black and white knights on a 5 by 5 chessboard. There are twelve of each color, and there is one square that is empty. At any time, a knight can move into an

uva 519 Puzzle (II)Little Barborka has just started to learn how to solve a picture puzzle. She has started with a small one containing 15 pieces. Her daddy tries to solve the puzzle too. To m

uva 10123 No TippingAs Archimedes famously observed, if you put an object on a lever arm, it will exert a twisting force around the lever's fulcrum. This twisting is called torque and is equal t

uva 11218 KTVOne song is extremely popular recently, so you and your friends decided to sing it in KTV. The song has 3 characters, so exactly 3 people should sing together each time (yes, ther

uva 307 SticksGeorge took sticks of the same length and cut them randomly until all parts became at most 50 units long. Now he wants to return sticks to the original state, but he forgot how m

uva 331 Mapping the SwapsSorting an array can be done by swapping certain pairs of adjacent entries in the array. This is the fundamental technique used in the well-known bubble sort. If we li

uva 208 FiretruckThe Center City fire department collaborates with the transportation department to maintain maps of the city which reflects the current status of the city streets. On any give

uva 193 Graph ColoringYou are to write a program that tries to find an optimal coloring for a given graph. Colors are applied to the nodes of the graph and the only available colors are bl

uva 539 The Settlers of CatanWithin Settlers of Catan, the 1995 German game of the year, players attempt to dominate an island by building roads, settlements and cities across its uncharted wilder

uva 10344 23 out of 5 Your task is to write a program that can decide whether you can find an arithmetic expression consisting of five given numbers(1For this problem we will only consid

uva 301 TransportationRuratania is just entering capitalism and is establishing new enterprising activities in many fields including transport. The transportation company TransRuratania is sta

uva 216  Getting in Line Computer networking requires that the computers in the network be linked. This problem considers a ``linear" network in which the computers are chained together so

hdu 5339 Untitled题目大意：给出n个数字的序列，和一个数a，在n中有m个数b1,...,bmb1,...,bm使得__a %b1%b2%...%bm = 0__a %b1%b2%...%bm = 0，求最小的m。解题思路：回溯。#include <cstdio>#include <cstring>#include <algorithm>#include <cmath>#inc