USACO 2016 December Contest, Bronze Problem 1. Square Pasture

原題下載

USACO2016DEC-B1

答案:

import java.io.*;
import java.util.*;
public class square {
public static void main(String[] args) throws IOException {
// initialize file I/O
BufferedReader br = new BufferedReader(new FileReader("square.in"));
PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter("square.out")));

// track the bottom, top, left, and rightmost points that need to be covered
int smallestX = 10;
int largestX = 0;
int smallestY = 10;
int largestY = 0;

// read in two lines, store corners of the pastures
for(int i = 0; i < 2; i++) {
StringTokenizer st = new StringTokenizer(br.readLine());
int xLow = Integer.parseInt(st.nextToken());
int yLow = Integer.parseInt(st.nextToken());
int xHigh = Integer.parseInt(st.nextToken());
int yHigh = Integer.parseInt(st.nextToken());

if(xLow < smallestX) {
smallestX = xLow;
}
if(xHigh > largestX) {
largestX = xHigh;
}
if(yLow < smallestY) {
smallestY = yLow;
}
if(yHigh > largestY) {
largestY = yHigh;
}
}

// compute the desired side length of the square
int desiredSideLength = largestX - smallestX;
if(largestY - smallestY > largestX - smallestX) {
desiredSideLength = largestY - smallestY;
}

// print the answer
pw.println(desiredSideLength * desiredSideLength);
pw.close();
}
}

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