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advent of code challenge, 2022 day 25.

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This commit is contained in:
Josh Ashton
2023-11-29 12:46:49 -07:00
parent f85664ab10
commit f0a34db016
12 changed files with 5494 additions and 104 deletions
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src/Week11/App.class
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src/Week11/App.java
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import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;
import java.io.File;
public class App {
/**
@@ -19,7 +24,34 @@ public class App {
* @return starting number of the longest Collatz Sequence
*/
private static int collatzSequence() {
return 1; // TODO
int n = 1;
int maxChain = 0;
int correctNum = 0;
while (n < 1_000_000) {
int chainLength = collatz(n, 0);
if (chainLength > maxChain) {
maxChain = chainLength;
correctNum = n;
}
n--;
}
System.out.println(correctNum);
return correctNum;
}
private static int collatz(int n, int chainLength) {
if(n == 1) return ++chainLength; // Base case and final link.
if(n % 2 == 0) n /= 2;
else n = (3 * n) + 1;
++chainLength;
return collatz(n, chainLength);
}
/**
@@ -60,17 +92,65 @@ public class App {
* @return the total of the name scores.
*/
private static int nameScores() {
return 1; // TODO
ArrayList<String> names = readNames();
int sum = 0;
Collections.sort(names);
int counter = 1;
for (String name : names) {
int nameScore = 0;
char[] n = name.toCharArray();
for (char c : n) {
nameScore += (c - 64);
}
nameScore *= counter;
sum+= nameScore;
counter++;
}
System.out.println("sum of name scores: " + sum);
return sum;
}
private static ArrayList<String> readNames() {
ArrayList<String> list = new ArrayList<>();
File f = new File("names.txt");
try (Scanner scan = new Scanner(f)) {
String str = scan.nextLine();
String[] strings = str.split(",");
for (String s : strings)
list.add(s.substring(1, s.length() - 1));
} catch (Exception e) {
System.out.println("Error reading file.");
}
return list;
}
private static void printNames(ArrayList<String> names) {
for (String name : names)
System.out.println(name);
}
public static void main(String[] args) {
//System.out.println(collatz(13, 0));
if(collatzSequence() != 837799) System.out.println("Your solution is incorrect...");
else System.out.println("Your Collatz Sequence solution is correct!");
/*
if(countingSundays() != 171) System.out.println("Your solution is incorrect...");
else System.out.println("Your Counting Sundays solution is correct!");
if(nameScores() != 871198282) System.out.println("Your solution is incorrect...");
else System.out.println("Your Name Scores solution is correct!");
*/
}
}
src/Week11/log
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src/Week11/run
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javac *.java
java App
rm *.class
src/Week13/App.java
-5
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@@ -1,5 +0,0 @@
public class App {
public static void main(String[] args) {
Gui g = new Gui();
}
}
src/Week13/Button.java
-48
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@@ -1,48 +0,0 @@
import javax.swing.*;
import javax.swing.border.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.Color;
public class Button extends JButton {
private boolean selected;
private Color bg;
private Color fg;
/**
* @param String buttonLabel
* @param Color fg
* @param Color bg
*/
public Button(String buttonLabel, Color bg, Color fg) {
super(buttonLabel);
this.bg = bg;
this.fg = fg;
applyCommon();
deselect();
}
// Apply default appearance to the button upon exiting the bounds.
public void deselect() {
selected = false;
setBackground(bg);
setForeground(fg);
}
// Apply focused appearance to the button upon hover.
public void select() {
selected = true;
setBackground(fg);
setForeground(bg);
}
// Apply hover functionality to all buttons, as well as removing certain default stylings.
private void applyCommon() {
// TODO: Implement hover functionality.
setFocusPainted(false);
setBorder(new EmptyBorder(3,3,3,3));
}
}
src/Week13/Gui.java
-28
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@@ -1,28 +0,0 @@
import javax.swing.*;
import java.awt.*;
public class Gui extends JFrame {
public Gui() {
super("Java Swing Challenge");
init();
add(new Panel(Color.DARK_GRAY, Color.WHITE));
setVisible(true);
}
private void init() {
setDefaultCloseOperation(EXIT_ON_CLOSE);
setLayout(new BorderLayout());
setSize(new Dimension(750, 550));
setResizable(false);
setLocationRelativeTo(null);
try {
UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
} catch (Exception e) {
System.out.println("Error with cross platform look and feel.");
}
}
}
src/Week13/Input.txt
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1-201-=2
210--1211001
120
1==1-=1=-1=-=1-==-
1--
1-1-2221=-
1021=
2-=-21==02
1-
1-222122-0==020
1-20122---12=2112-2=
221
12=220-2-=1=
21
1-20
1-0=-0-2---
10-=221=-0102
212-020-1=00
201=020=-1=
2=0=01=2==
2=1=0=11-2===20--
2-0-221
1--10=--1-0-2
100=-11222=1
11-=1
11=--=1012--02-
121
1=11=1
1==2---002--11=-1-
11=0==--0
2==0110=2=1==
221=-=-=-02
12-10
2=
2-0-=2
1=0-0=2
10==-2210=-=202
2=-21
2=-=1220
201=2==1
1==1=00-1-=
1200-00-00-21-=-=0
1=0=-22-200=-2-=--
1==-=--12-1112-22
1=0=-00====102
20222010-1
1---
20--==2-201-
1=1
120=02=-=1-0=1
1=-210-1=1
1110--2
1102-1=2----201=-
1=01=2-01
12=2--0-1001
12=1
102
2=1=-11
12=001022
2=1=1=-01==
101---=1--
10=00001-0122=0
12=-=--11=112=0202
1-122====012100
212=020=1022-0
10=22=2
1===212-02=1
2=-2===-01010-121
122=10
2-0-1=-0--1001=-2
1121
1-21--100=1=2=1=2-
1==0
1=-0=0-2=0-=1===0
2-02-==
20-=-2022===-222
1=1100-1
12=-1=-02-2-20-=1-=
10=
1=1-==2
101-=01221-==-2-=-
12-=111=2=11-=1212
12==202=121
22022=000-121001-
12=2
1==0==1--1
222
10
12-0122=01-
10-0=01120
210-0===-011=-=12=
1=-1=0=2-102--0
10111000--0-===0
1=0-=-2-
2-==22100
1-2=-2-1-020=-2-
1=001-1=02=--2
1==0-211-21=-
1-02=2=--221=-012==
1-011-221-0=
10-20=
1=-0--=
10-=022101=1--22
2-0-1202==-==-
1=0-
11=
2200
2-22-212==-0==2=
1012
1=2=12===2-=
1==211-02-
1-001==2101220
2-001
10-=2-=
102110==21=12--02
1-=1122212002=010
1-10-201=221=021-
2-00=2221
2--1
11=12=0
2-21=-
20--2-1=22220-0
2=22=1-02=21
10==10112=1
1-2=0=0=02==
2201=2
10-=00121
10-012-12
src/Week13/Panel.java
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import javax.swing.*;
import java.awt.*;
public class Panel extends JPanel {
private Color bg;
private Color fg;
public Panel(Color bg, Color fg) {
super();
this.bg = bg;
this.fg = fg;
init();
}
private void init() {
// TODO: Add 2 buttons to the Panel object, and set the background and foreground colors.
}
}
src/Week13/SNAFU.java
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import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.Iterator;
/**
* Provides code for the input and testing of the SNAFU Challenge. This
* challenge and input is from Day 25, year 2022 from AdventOfCode.com.
*/
public class SNAFU {
/**
*
* @return returns an Iterable form of the input.
*/
public static Iterable<String> iterableInput() {
return new Input();
}
/**
* Classes that implement Iterable tell Java that the class can be trusted to
* have an Iterator. A very common and nice use is in for loops. See, Arrays and
* a number of other datastructures implement Iterable, and you can stick any
* Iterable class in the for-each loop.
*/
private static class Input implements Iterable<String> {
/**
* This is the only method required by Iterable.
*/
@Override
public Iterator<String> iterator() {
return new SNAFUIterator();
}
/**
* This is the manual version of the for each loop. There are two methods
* inside. Next() gives the next input (and iterates). HasNext() is called
* before to check if Next() can be safely run. The for loop basically keeps
* calling Next() while HasNext() is true. Next() is actually the input given to
* the left half of the for each loop.
*
* In this case, this Iterator keeps going until the next line it has ready is
* null.
*/
private class SNAFUIterator implements Iterator<String> {
private final static String PATH = "Input.txt";
private BufferedReader reader;
private String currLine;
private SNAFUIterator() {
try {
reader = new BufferedReader(new FileReader(PATH));
iterateToNextLine();
} catch (FileNotFoundException e) {
System.out.println("File Not Found");
e.printStackTrace();
}
}
private void iterateToNextLine() {
try {
currLine = reader.readLine();
} catch (IOException e) {
System.out.println("Error With Reader");
e.printStackTrace();
}
}
@Override
public boolean hasNext() {
return (currLine != null);
}
@Override
public String next() {
String returnStr = currLine;
iterateToNextLine();
return returnStr;
}
}
}
}
src/Week13/SNAFUChallenge.java
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/**
* Full Instructions and Explanation: https://adventofcode.com/2022/day/25
*
* Find the SNAFU sum of the SNAFUInput.txt file.
*/
public class SNAFUChallenge {
public static void main(String[] args) {
String expectedSnafu = "2-02===-21---2002==0";
long sum = 0;
for (String lineOfSNAFU : SNAFU.iterableInput()) {
System.out.println(lineOfSNAFU);
sum += decode(lineOfSNAFU);
}
System.out.println("=== RESULT ===");
System.out.println("result : " + encode(sum));
System.out.println("expected result : " + expectedSnafu);
}
private static String encode(long num) {
return ""; // TODO: Convert a long into SNAFU.
}
/**
* The easy part. Go right to left on the SNAFU string and add the number to the
* sum. Translates from SNAFU base-5 to base-10.
*
* @param SNAFU The SNAFU base-5 number code to decode.
* @return The base-10 result
*/
private static long decode(String SNAFU) {
return 0l; // TODO: Convert a String of SNAFU into a long.
}
}
src/Week13/run
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@@ -1,6 +1,6 @@
#!/bin/zsh
javac *.java
java App
java SNAFUChallenge
rm *.class