POJ 1077 Eight, 八數位問題

題目連結:http://poj.org/problem?id=1077題目類型: 隱式圖搜尋原題:The 15-puzzle has been around for over 100 years; even if you don't know it by that name, you've seen it. It is constructed with 15 sliding tiles, each with a number from 1 to 15 on it, and all packed

UVa 10422 – Knights in FEN

文章目錄 Sample InputSample Output 題目連結:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=110&page=show_problem&problem=1363題目類型: 隱式圖搜尋原題:There are black and white knights on a 5 by

uva 10755 – Garbage Heap(三維最大子矩陣)

題目連結:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=460&page=show_problem&problem=1696和二維的最大子矩陣的思想是一樣的,只是變成了三維的。枚舉層數的上下界, 然後把上下界之間的所有層“壓縮”成一層,在這“一層”上用二維的方法再計算。注意用long

UVa 196 – Spreadsheet

題目連結:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=105&page=show_problem&problem=132題目類型: 搜尋, 拓撲排序題目:In 1979, Dan Bricklin and Bob Frankston wrote VisiCalc, the first spreadsheet application. It became

uva 1398 – Meteor

題目連結:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=460&page=show_problem&problem=4144先存代碼,睡覺去了 代碼:#include<iostream>#include<cstdio>#include<algorithm>#include<cctype>using

uva 1267 Network

連結:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=456&page=show_problem&problem=3708思路:先把無根樹轉化為以s點為根的有根樹然後從深度最深的葉子節點開始枚舉,如果這個葉子節點還沒被覆蓋掉的話,那麼找它的祖先距離小於等於k的點,然後再從那個點開始dfs標記所有覆蓋到的葉子節點。#include<iostream>

poj 1947 Rebuilding Roads (樹形背包dp)

本文出自   http://blog.csdn.net/shuangde800題目連結:  poj-1947題意    給一棵樹,問最少刪掉幾條邊.使得剩下的子樹中有節點個數為p個的思路    幾天前就看了這題, 但是沒什麼想法,之後每天都有去想一下, 直到今天, 在我對自己方法還有懷疑    的情況下,竟然AC了..    f(i, j) 表示子樹i,保留j個節點的最少刪邊次數, 注意,這裡保留的j個節點的子樹,是指根節點    為i的且有j個節點的子樹.這樣理解的話, 狀態轉移就容易想多了.

uva 1312 – Cricket Field

題目連結http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=461&page=show_problem&problem=4058題目大意:在w*h的座標上給n個點,

uva 11464Even Parity

連結:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2459思路:這題因為題目沒理解好,以為是要讓每個格子周圍的九個數字之和為偶數。。。導致了想了好久沒想出。後來才發現原來只是上,下,左,右...其實就是暴力窮舉,枚舉第一行可以變化的情況,然後根據第一行依次求出後面行的情況。注意1不能變為0.#include<iostrea

uva 10535 – Shooter

題目連結:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=461&page=show_problem&problem=1476題目大意:一個人拿著雷射槍站在座標(x,y)處,周圍有N個牆,牆的兩端點座標為(x0, y0, x1,

UVa 103 – Stacking Boxes

【題目連結】http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=114&page=show_problem&problem=39【原題】 Stacking Boxes BackgroundSome concepts in Mathematics and Computer Science are simple in one or two dimensions

hdu 4531 吉哥系列故事——乾坤大挪移

題目連結:http://acm.hdu.edu.cn/showproblem.php?pid=4531這道搜尋題挺噁心的。。。比賽時沒有寫出來。首先要解決的問題是怎樣判斷合格狀態,即所有一樣的顏色是連在一起的。我是採用最簡單也最搓的方法,按上下左右順序給每一個小三角形標號1~36,然後建立一張鄰接矩陣圖,然後bfs判斷。然後就是主要的暴力枚舉部分,每次有12種狀態轉移的選擇,開始時用dfs,但爆棧了。然後改成bfs,又各種TLE。然後就是不斷地最佳化最佳化。判重的狀態可以用一個整數來表示。矩陣初

poj 3522 Slim Span(枚舉+最小產生樹)

連結:http://poj.org/problem?id=3522題目:Slim SpanTime Limit: 5000MS Memory Limit: 65536KTotal Submissions: 4962 Accepted: 2587DescriptionGiven an undirected weighted graph G, you should find one of spanning trees specified as follows.The graph G is an

UVa 10400 – Game Show Math

連結:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=113&page=show_problem&problem=1341類型:回溯原題:A game show in Britain has a segment where it gives its contestants a sequence of positive numbers and a

uva 1352 – Colored Cubes

連結:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=456&page=show_problem&problem=4098劉汝佳書上的例題(訓練指南P16),感覺這題很好,尤其是產生旋轉序列的方法,這也是這題的重點。學習了。#include<cstdio>#include<cstring>#include<map>#inc

UVa 10047 – The Monocycle, 優先隊列+BFS

10047 - The Monocycle314835.90%101477.12%題目連結:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=105&page=show_problem&problem=988題目類型:搜尋,優先隊列題目:A monocycle is a cycle that runs on one wheel and the one we

UVa 10054 – The Necklace, 歐拉迴路+列印路徑

10054 - The Necklace1264420.68%201165.39%題目連結:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=105&page=show_problem&problem=995題目類型: 歐拉迴路題目:My little sister had a beautiful necklace made of colorful

uva 11210 – Chinese Mahjong

連結:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=456&page=show_problem&problem=2151經典的一道暴力回溯題,今天終於做了。。#include<cstdio>#include<cstring>#include<map>#include<set>#include<strin

uva 1509 – Leet

題目連結:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=457&page=show_problem&problem=4255思路:直接的暴力回溯題。字母映射leet,可以用一個數組映射,儲存某個字母映射到leet字串中的下標即可。代碼:#include<iostream>#include<cstdio>#include<cst

UVa 10603 – Fill,經典倒水問題+隱式圖搜尋+dfs

題目連結:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=110&page=show_problem&problem=1544類型: 隱式圖搜尋原題:There are three jugs with a volume of a, b and c liters. (a, b, and c are positive integers not greater

總頁數: 61357 1 .... 15154 15155 15156 15157 15158 .... 61357 Go to: 前往

聯繫我們

該頁面正文內容均來源於網絡整理,並不代表阿里雲官方的觀點,該頁面所提到的產品和服務也與阿里云無關,如果該頁面內容對您造成了困擾,歡迎寫郵件給我們,收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容,歡迎發送郵件至: info-contact@alibabacloud.com 進行舉報並提供相關證據,工作人員會在 5 個工作天內聯絡您,一經查實,本站將立刻刪除涉嫌侵權內容。

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.