49 lines
1003 B
Java
49 lines
1003 B
Java
// so how do we parse this file?
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// .split("regex here...")
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import java.io.BufferedReader;
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import java.io.FileReader;
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import java.io.IOException;
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public class day02 {
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public static void main(String[] args) throws IOException {
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int posHorizontal = 0;
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int posDepth = 0;
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int finalAns = 0; // posHorizontal * posDepth
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String line;
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String direction;
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int movement;
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BufferedReader in = new BufferedReader(new FileReader("day02-input.txt"));
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line = in.readLine();
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while (line != null) {
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String[] lineProcess = line.split(" ");
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direction = lineProcess[0];
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movement = Integer.valueOf(lineProcess[1]).intValue();
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if (direction.compareTo("forward") == 0) {
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posHorizontal += movement;
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}
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else if (direction.compareTo("up") == 0) {
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posDepth -= movement;
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}
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else if (direction.compareTo("down") == 0) {
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posDepth += movement;
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}
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line = in.readLine();
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}
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in.close();
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finalAns = posHorizontal * posDepth;
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System.out.println(finalAns);
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}
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}
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