题目链接:http://poj.org/problem?id=3241 Description We have N (N ≤ 10000) objects, and wish to classify them into several groups by judgement of their resemblance. To simply the model, each object has 2 indexes a and b (a, b ≤ 500). The resemblance of ob…
Object Clustering Time Limit: 2000MS Memory Limit: 131072K Total Submissions: 2640 Accepted: 806 Description We have N (N ≤ 10000) objects, and wish to classify them into several groups by judgement of their resemblance. To simply the model, each…
Object Clustering Description We have N (N ≤ 10000) objects, and wish to classify them into several groups by judgement of their resemblance. To simply the model, each object has 2 indexes a and b (a, b ≤ 500). The resemblance of object i and objec…
1.在linux中安装好R 2.准备好画曼哈顿图的R脚本即manhattan.r,manhattan.r内容如下: #!/usr/bin/Rscript #example : Rscript plot_manhatom.r XXX.assoc XXX.pdf argv <- commandArgs() #define the function to plot the manhatton and quantitle-quantitle plot plot_manhatton<-function(…
POJ 2376 Cleaning Shifts(轮班打扫) Time Limit: 1000MS Memory Limit: 65536K [Description] [题目描述] Farmer John is assigning some of his N (1 <= N <= 25,000) cows to do some cleaning chores around the barn. He always wants to have one cow working on clean…
POJ 3253 Fence Repair(修篱笆) Time Limit: 2000MS Memory Limit: 65536K [Description] [题目描述] Farmer John wants to repair a small length of the fence around the pasture. He measures the fence and finds that he needs N (1 ≤ N ≤ 20,000) planks of wood, eac…
Rotating Scoreboard Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 6420 Accepted: 2550 Description This year, ACM/ICPC World finals will be held in a hall in form of a simple polygon. The coaches and spectators are seated along the ed…
POJ 3126 Prime Path(素数路径) Time Limit: 1000MS Memory Limit: 65536K Description - 题目描述 The ministers of the cabinet were quite upset by the message from the Chief of Security stating that they would all have to change the four-digit room numbers on…
Smallest Difference(最小差) Time Limit: 1000MS Memory Limit: 65536K Description - 题目描述 Given a number of distinct decimal digits, you can form one integer by choosing a non-empty subset of these digits and writing them in some order. The remaining d…
