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mathiasstegermathiassteger
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Day 18 initial commit
1 parent eafae5c commit 2ae51a1

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3 files changed

+273
-4
lines changed

3 files changed

+273
-4
lines changed

‎input0.txt

Lines changed: 10 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,10 @@
1-
0: 3
2-
1: 2
3-
4: 4
4-
6: 4
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set a 1
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add a 2
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mul a a
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mod a 5
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snd a
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set a 0
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rcv a
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jgz a -1
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set a 1
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jgz a -2

‎input18.txt

Lines changed: 41 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,41 @@
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set i 31
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set a 1
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mul p 17
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jgz p p
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mul a 2
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add i -1
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jgz i -2
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add a -1
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set i 127
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set p 622
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mul p 8505
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mod p a
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mul p 129749
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add p 12345
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mod p a
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set b p
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mod b 10000
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snd b
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add i -1
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jgz i -9
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jgz a 3
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rcv b
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jgz b -1
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set f 0
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set i 126
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rcv a
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rcv b
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set p a
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mul p -1
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add p b
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jgz p 4
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snd a
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set a b
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jgz 1 3
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snd b
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set f 1
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add i -1
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jgz i -11
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snd a
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jgz f -16
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jgz a -19

‎src/day18/Main.java

Lines changed: 222 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,222 @@
1+
package day18;
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import java.util.ArrayList;
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import java.util.HashMap;
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import util.ReadInputHelper;
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public class Main {
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public static void main(String[] args) {
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ArrayList<String> lines = new ReadInputHelper(18).getLines();
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HashMap<String, Long> list = new HashMap<>();
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list.put("b", 0l);
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list.put("i", 0l);
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list.put("a", 0l);
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list.put("f", 0l);
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list.put("p", 0l);
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boolean rcved = false;
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long lastPlayedFrequency = 0;
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for (int i = 0; i < lines.size() && !rcved; i++) {
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System.out.print(lines.get(i));
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String[] temp = lines.get(i).split(" ");
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switch (temp[0]) {
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case "set": {
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long value = 0;
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try {
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value = Integer.parseInt(temp[2]);
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} catch (NumberFormatException e) {
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value = list.get(temp[2]);
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}
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list.put(temp[1], value);
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}
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break;
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case "add": {
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long value = list.get(temp[1]) + Integer.parseInt(temp[2]);
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list.put(temp[1], value);
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}
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break;
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case "snd":
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lastPlayedFrequency = list.get(temp[1]);
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break;
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case "jgz": {
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long value = 0;
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try {
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value = Integer.parseInt(temp[2]);
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} catch (NumberFormatException e) {
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value = list.get(temp[2]);
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}
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if (list.get(temp[1]) > 0)
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i += value - 1;
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else
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System.out.print(", skipping jump");
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}
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break;
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case "mod": {
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long value1 = list.get(temp[1]);
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long value2 = 0;
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try {
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value2 = Integer.parseInt(temp[2]);
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} catch (NumberFormatException e) {
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value2 = list.get(temp[2]);
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}
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value2 = Math.abs(value2);
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if (value2 == 0)
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break;
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long value = value1 % value2;
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if (value < 0)
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value += value2;
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System.out.print(", " + value1 + "%" + value2 + "=" + value);
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list.put(temp[1], value);
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}
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break;
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case "rcv": {
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long value = (list.get(temp[1]));
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if (value > 0) {
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System.out.print(", rcved: ");
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rcved = true;
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System.out.print(lastPlayedFrequency);
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}
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}
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break;
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case "mul": {
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long value1 = list.get(temp[1]);
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long value2 = 1;
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try {
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value2 = Integer.parseInt(temp[2]);
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} catch (NumberFormatException e) {
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value2 = list.get(temp[2]);
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}
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list.put(temp[1], value1 * value2);
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}
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break;
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default:
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System.out.println("Forgot: " + temp[0]);
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}
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System.out.println(", value of program: " + list.get(temp[1]));
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}
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}
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}
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class Program {
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HashMap<String, Long> list = new HashMap<>();
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ArrayList<String> lines;
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boolean rcved = false;
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long lastPlayedFrequency = 0;
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public Program (ArrayList<String> lines) {
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list.put("b", 0l);
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list.put("i", 0l);
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list.put("a", 0l);
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list.put("f", 0l);
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list.put("p", 0l);
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this.lines = lines;
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}
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public void start(){
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for (int i = 0; i < lines.size() && !rcved; i++) {
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System.out.print(lines.get(i));
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String[] temp = lines.get(i).split(" ");
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switch (temp[0]) {
137+
case "set": {
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long value = 0;
139+
try {
140+
value = Integer.parseInt(temp[2]);
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} catch (NumberFormatException e) {
142+
value = list.get(temp[2]);
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}
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list.put(temp[1], value);
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}
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break;
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case "add": {
148+
long value = list.get(temp[1]) + Integer.parseInt(temp[2]);
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list.put(temp[1], value);
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}
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break;
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case "snd":
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lastPlayedFrequency = list.get(temp[1]);
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break;
155+
case "jgz": {
156+
long value = 0;
157+
158+
try {
159+
value = Integer.parseInt(temp[2]);
160+
} catch (NumberFormatException e) {
161+
value = list.get(temp[2]);
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}
163+
164+
if (list.get(temp[1]) > 0)
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i += value - 1;
166+
else
167+
System.out.print(", skipping jump");
168+
}
169+
break;
170+
case "mod": {
171+
long value1 = list.get(temp[1]);
172+
173+
long value2 = 0;
174+
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try {
176+
value2 = Integer.parseInt(temp[2]);
177+
} catch (NumberFormatException e) {
178+
value2 = list.get(temp[2]);
179+
}
180+
181+
value2 = Math.abs(value2);
182+
183+
if (value2 == 0)
184+
break;
185+
long value = value1 % value2;
186+
187+
if (value < 0)
188+
value += value2;
189+
System.out.print(", " + value1 + "%" + value2 + "=" + value);
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list.put(temp[1], value);
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}
192+
break;
193+
case "rcv": {
194+
long value = (list.get(temp[1]));
195+
196+
if (value > 0) {
197+
System.out.print(", rcved: ");
198+
rcved = true;
199+
System.out.print(lastPlayedFrequency);
200+
}
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}
202+
break;
203+
case "mul": {
204+
long value1 = list.get(temp[1]);
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long value2 = 1;
206+
try {
207+
value2 = Integer.parseInt(temp[2]);
208+
} catch (NumberFormatException e) {
209+
value2 = list.get(temp[2]);
210+
}
211+
212+
list.put(temp[1], value1 * value2);
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}
214+
break;
215+
default:
216+
System.out.println("Forgot: " + temp[0]);
217+
}
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219+
System.out.println(", value of program: " + list.get(temp[1]));
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}
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}
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}

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