70 lines
1.7 KiB
Java
70 lines
1.7 KiB
Java
package day03;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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import java.util.Scanner;
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public class Overlap {
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int[][] canvas = new int[1000][1000];
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public String parseFile(File file) {
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try
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{
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Scanner scanner = new Scanner(new BufferedReader(new FileReader(file)));
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while(scanner.hasNextLine()) {
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String s = scanner.nextLine();
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int div1 = s.indexOf('@');
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int div2 = s.indexOf(',');
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int div3 = s.indexOf(':');
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int div4 = s.indexOf('x');
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int id = Integer.parseInt(s.substring(1, div1).replaceAll("\\s",""));
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int coordx = Integer.parseInt(s.substring(div1+1, div2).replaceAll("\\s",""));
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int coordy = Integer.parseInt(s.substring(div2+1, div3).replaceAll("\\s",""));
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int height = Integer.parseInt(s.substring(div3+1, div4).replaceAll("\\s",""));
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int length = Integer.parseInt(s.substring(div4+1).replaceAll("\\s",""));
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System.out.println("" + id + "|" + coordx + "|" + coordy + "|" + height + "|" + length);
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for (int i = 0; i < height; i++) {
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for (int j = 0; j < length; j++) {
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canvas[coordx + i][coordy + j]++;
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}
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}
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}
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scanner.close(); // close stream
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int overlapped = 0;
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for (int i = 0; i < canvas.length; i++) {
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for (int j = 0; j < canvas[0].length; j++) {
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if (canvas[i][j] > 1) {
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overlapped++;
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}
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}
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}
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System.out.println(overlapped);
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}
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catch (Exception e) {
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System.out.println(e.toString() + " : " + e.getStackTrace().toString());
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}
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return "NULL";
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}
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public static void main(String[] args) {
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Overlap ovrlp = new Overlap();
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File f = new File("src/day03/input.txt");
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ovrlp.parseFile(f);
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}
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}
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