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poj 2195 Going Home
DescriptionOn a grid map there are n little men and n houses. In each unit time, every little man can move one unit step, either horizontally, or vert...
分类:其他好文   时间:2014-07-22 23:15:37    阅读次数:331
半平面交 模板 poj 3335 poj 3130 poj 1474 判断半平面交是否为空集
半平面交模板const double pi= acos(-1.0);#define arc(x) (x / 180 * pi)const double EPS = 1e-8;const int Max_N = 105;struct Point{ double x,y; Point(){}...
分类:其他好文   时间:2014-04-30 17:00:01    阅读次数:621
Poj-1157-LITTLE SHOP OF FLOWERS
题意为从每行取一瓶花,每瓶花都有自己的审美价值第 i+1 行取的花位于第 i 行的右下方求最大审美价值dp[i][j]:取到第 i 行,第 j 列时所获得的最大审美价值动态转移方程:dp[i][j]=max(dp[i-1][j-1]+a[i][j],dp[i][j-1])代码如下:#includei...
分类:其他好文   时间:2014-04-30 00:17:20    阅读次数:488
POJ 3180
The Cow PromTime Limit:1000MSMemory Limit:65536KTotal Submissions:1132Accepted:713DescriptionThe N (2 2 #include 3 #include 4 #include 5 #include ...
分类:其他好文   时间:2014-04-29 21:40:26    阅读次数:564
hdu 1541/poj 2352:Stars(树状数组,经典题)
StarsTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4052Accepted Submission(s): 1592Problem Descr...
分类:其他好文   时间:2014-04-29 21:00:23    阅读次数:621
POJ 1236
Network of SchoolsTime Limit:1000MSMemory Limit:10000KTotal Submissions:10500Accepted:4189DescriptionA number of schools are connected to a computer n...
分类:其他好文   时间:2014-04-29 20:33:42    阅读次数:567
poj 1274 The Perfect Stall
DescriptionFarmer John completed his new barn just last week, complete with all the latest milking technology. Unfortunately, due to engineering probl...
分类:其他好文   时间:2014-04-29 16:46:46    阅读次数:371
poj 1279 求半平面交的 面积
poj 1279 求半平面交的 面积题目来源:http://poj.org/problem?id=1279分析: 求半平面交的 面积代码如下:const double EPS = 1e-8;const int Max_N = 1505;struct Point{ double x,y; ...
分类:其他好文   时间:2014-04-29 16:35:46    阅读次数:499
POJ 3356 AGTC(DP-最小编辑距离)
DescriptionLetxandybe two strings over some finite alphabetA. We would like to transformxintoyallowing only operations given below:Deletion:a letter i...
分类:其他好文   时间:2014-04-29 16:22:00    阅读次数:450
poj~题目分类
一.基本算法: (1)枚举. (poj1753,poj2965) (2)贪心(poj1328,poj2109,poj2586) (3)递归和分治法. (4)递推. (5)构造法.(poj3295) (6)模拟法.(poj1068,poj2632,poj1573,poj2993,poj2996)二.图...
分类:其他好文   时间:2014-04-29 11:27:47    阅读次数:489
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