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fenceplan.java

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import java.io.*;

import java.util.*;

public class fenceplan {

// Func Ref

// Output values

// 0 = p, q, r colinear

// 1 = Clockwise

// 2 = Counterclockwise

static int[][] matrix;

static Point[] graph;

public static int orientation(Point p, Point q, Point r)

{

int val = (q.y - p.y) * (r.x - q.x) -

(q.x - p.x) * (r.y - q.y);

if (val == 0) return 0; // collinear

return (val > 0)? 1: 2; // clock or counterclock wise

}

public static void main(String[] args) throws IOException{

BufferedReader f = new BufferedReader(new FileReader("fenceplan.in"));

StringTokenizer st = new StringTokenizer(f.readLine());

int N = Integer.parseInt(st.nextToken());

int M = Integer.parseInt(st.nextToken());

prev = new int[N];

matrix = new int[N][N];

graph = new Point[N];

for(int i = 0; i < N;i ++) {

st = new StringTokenizer(f.readLine());

int x,y;

x = Integer.parseInt(st.nextToken());

y = Integer.parseInt(st.nextToken());

graph[i] = new Point(x,y);

}

Arrays.fill(prev, -1);

}

static int[] prev;

public void crawl(int k) {

}

class Point{

int x = 0; int y = 0;

public Point() {}

public Point(int x, int y) {

this.x = x;

this.y = y;

}