hdu1937 Finding Seats 题意是 求最小的矩形覆盖面积内包含 k 个 空位置 枚举上下边界然后 双端队列 求 最小面积 #include <iostream> #include <cstring> #include <cstdio> #include <cmath> #include <algorithm> #include <vector> #include <map> #include <que…

F - Finding Seats Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Practice HDU 1937 Description A group of K friends is going to see a movie. However, they are too late to get good tickets, so they are looki…

Problem UVA11846-Finding Seats Again Accept: 69    Submit: 433Time Limit: 10000 mSec Problem Description A set of n2 computer scientists went to the movies. Fortunately, the theater they chose has a square layout: n rows, each one with n seats. Howev…

链接: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2946 题意: 有一个 n*n(n<20)的座位矩阵里坐着k(k≤26)个研究小组.每个小组的座位都是矩形形状.输入每个小组组长的位置和该组的成员个数,找到一种可能的座位方案. 分析: 深搜 + 剪枝,以矩形为搜索对象,每一层选择一个尚未放置字母的位置,作为矩形的左上角,向行和…

Time Limit: 5000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 889    Accepted Submission(s): 290 Problem Description A group of K friends is going to see a movie. However, they are too late to get good ticket…

Problem Description The Nazca Lines are a series of ancient geoglyphs located in the Nazca Desert in southern Peru. They were designated as a UNESCO World Heritage Site in 1994. The high, arid plateau stretches more than 80 kilometres (50 mi) between…

杭电ACM分类: 1001 整数求和 水题1002 C语言实验题——两个数比较 水题1003 1.2.3.4.5... 简单题1004 渊子赛马 排序+贪心的方法归并1005 Hero In Maze 广度搜索1006 Redraiment猜想 数论:容斥定理1007 童年生活二三事 递推题1008 University 简单hash1009 目标柏林 简单模拟题1010 Rails 模拟题(堆栈)1011 Box of Bricks 简单题1012 IMMEDIATE DECODABILITY…

-----------------------------最优化问题------------------------------------- ----------------------常规动态规划  SOJ1162 I-Keyboard  SOJ1685 Chopsticks SOJ1679 Gangsters SOJ2096 Maximum Submatrix  SOJ2111 littleken bg SOJ2142 Cow Exhibition  SOJ2505 The County…

转载:from http://blog.csdn.net/qq_28236309/article/details/47818349 基础题:1000.1001.1004.1005.1008.1012.1013.1014.1017.1019.1021.1028.1029. 1032.1037.1040.1048.1056.1058.1061.1070.1076.1089.1090.1091.1092.1093. 1094.1095.1096.1097.1098.1106.1108.1157.116…

题目链接:http://poj.org/problem?id=3740 题意: 是否从0,1矩阵中选出若干行,使得新的矩阵每一列有且仅有一个1? 原矩阵N*M $ 1<= N <= 16 $ , $ 1 <= M <= 300$ 解法1:由于行数不多,二进制枚举选出的行数,时间复杂度为O((1<<16)*K), 其中K即为判断选出的行数是否存在相同的列中有重复的1: 优化:将1状压即可,这样300的列值,压缩在int的32位中,使得列数“好像”小于10了:这样每次只需要…