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added completed solution for day 7 part 1 - part 2 still nonfunctional

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Changes to be committed:
	modified:   2022/day07/Day07A.class
	modified:   2022/day07/Day07A.java
	modified:   2022/day07/Directory.class
	modified:   2022/day07/Directory.java
This commit is contained in:
Fennel Kora 2022-12-08 11:22:45 -05:00
parent a71c48c5b5
commit d49d7b5e6e
4 changed files with 32 additions and 73 deletions
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2022/day07/Day07A.class
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2022/day07/Day07A.java
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@ -2,10 +2,12 @@ import java.nio.file.Paths;
import java.util.Scanner;
import java.io.IOException;
import java.util.Stack;
import java.util.ArrayList;
import java.util.Collections;
public class Day07A {
public static void main(String[] args) {
Stack<Directory> breadCrumbs = new Stack<Directory>();
Stack<Directory> crumbs = new Stack<Directory>();
try (Scanner inputFile = new Scanner(Paths.get("input.txt"))) {
boolean passingBack = false;
String[] command = new String[3];
@ -17,11 +19,11 @@ public class Day07A {
switch (command[1]) {
case "cd": {
if (command[2].compareTo("..") == 0) {
breadCrumbs.pop();
} else if (breadCrumbs.empty()) {
breadCrumbs.push(new Directory(command[2], command[2]));
crumbs.pop();
} else if (crumbs.empty()) {
crumbs.push(new Directory(command[2], command[2]));
} else {
breadCrumbs.push(breadCrumbs.peek().moveToSubDir(command[2]));
crumbs.push(crumbs.peek().moveToSubDir(command[2]));
}
break;
}
@ -29,11 +31,11 @@ public class Day07A {
command = inputFile.nextLine().split(" ");
while (!inputFile.hasNext("$") && inputFile.hasNext()) {
if (command[0].compareTo("dir") == 0) {
breadCrumbs.peek().addDir(command[1]);
crumbs.peek().addDir(command[1]);
} else if (command[0].compareTo("$") == 0) {
break;
} else{
breadCrumbs.peek().addFile(Integer.parseInt(command[0]));
crumbs.peek().addFile(Integer.parseInt(command[0]));
}
command = inputFile.nextLine().split(" ");
}
@ -42,9 +44,24 @@ public class Day07A {
}
}
} catch (IOException e) {e.printStackTrace();}
while (breadCrumbs.size() > 1) {
breadCrumbs.pop();
while (crumbs.size() > 1) {
crumbs.pop();
}
ArrayList<Integer> sizes = crumbs.peek().sizeHierarchy();
int sum = 0;
for (Integer i : sizes) {
if (i <= 100000) {
sum += i;
}
}
System.out.println(sum);
Stack<Integer> sortList = new Stack<Integer>();
for (Integer i : sizes) {
if (i >= 30000000 - (70000000 - Collections.max(sizes))) {
sortList.push(i);
}
}
System.out.println(Collections.min(sortList));
}
}

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2022/day07/Directory.class
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68
2022/day07/Directory.java
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@ -16,29 +16,6 @@ public class Directory {
this.parentDirName = parent;
}
public Directory (String name, String parent, ArrayList<Integer> filesList){
this.dirName = name;
this.parentDirName = parent;
this.files.addAll(filesList);
}
public Directory (String name, String parent, String[] dirsList){
this.dirName = name;
this.parentDirName = parent;
for (String s : dirsList) {
this.addDir(s);
}
}
public Directory (String name, String parent, ArrayList<Integer> filesList, String[] dirsList){
this.dirName = name;
this.parentDirName = parent;
this.files.addAll(filesList);
for (String s : dirsList) {
this.addDir(s);
}
}
public int getDirSize() {
this.dirSize = this.calcDirSize();
return this.dirSize;
@ -59,16 +36,6 @@ public class Directory {
this.subDirs.add(new Directory(s, this.dirName));
}
public ArrayList<Directory> getSubsOfCurrentDir() {
this.dirSize = this.calcDirSize();
return this.subDirs;
}
public void addDir(String s, ArrayList<Integer> i) {
this.subDirs.add(new Directory(s, this.dirName));
}
public void addFile(int i) {
this.files.add(i);
}
@ -77,15 +44,6 @@ public class Directory {
return this.dirName;
}
public ArrayList<Directory> getRecursiveSubDirs() {
ArrayList<Directory> arr = new ArrayList<Directory>();
this.dirSize = this.calcDirSize();
for (Directory dir : subDirs) {
arr.addAll(dir.getRecursiveSubDirs());
}
return arr;
}
public Directory moveToSubDir(String s) {
Directory retDir = new Directory();
Boolean foundFlag = false;
@ -102,28 +60,12 @@ public class Directory {
return retDir;
}
public String toString() {
StringBuilder s = new StringBuilder();
for (Integer i : files) {
s.append(i.toString()+"\n");
}
public ArrayList<Integer> sizeHierarchy() {
ArrayList<Integer> s = new ArrayList<Integer>();
s.add(this.getDirSize());
for (Directory d : subDirs) {
s.append(d.getDirName()+"\n");
s.addAll(d.sizeHierarchy());
}
return s.toString();
}
public String fullHierarchyString() {
StringBuilder s = new StringBuilder();
for (Integer i : files) {
s.append(i.toString()+"\n");
}
for (Directory d : subDirs) {
s.append(d.getDirName()+"\n");
}
for (Directory d : subDirs) {
s.append(d.fullHierarchyString());
}
return s.toString();
return s;
}
}