eoghanconlon73/AoC2024_Java
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Day03 initial commit

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Signed-off-by: Eoghan Conlon <git@eoghanconlon.ie>
This commit is contained in:
Eoghan Conlon 2024-12-09 11:59:50 +00:00
parent 5a2650099e
commit fe6f19ef52
2 changed files with 63 additions and 1 deletions
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51
src/Day03.java Normal file
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@ -0,0 +1,51 @@
import java.io.IOException;
public class Day03 extends Input {
private Input input;
public Day03() throws IOException {
input = new Input();
input.init("in/Day03");
}
public int part1_sample(){
int rValue = 0;
String input = this.input.getSample_input().getFirst();
String pattern = "mul(";
String num1_s = "";
String num2_s = "";
String nums = "0123456789";
int num = 1;
int pattern_cnt = 0;
for(int i = 0; i < input.length(); i += 1){
if(pattern_cnt != pattern.length()) {
if (input.charAt(i) == pattern.charAt(pattern_cnt)) {
pattern_cnt += 1;
} else {
pattern_cnt = 0;
}
} else {
if(nums.contains(Character.toString(input.charAt(i)))){
if(num == 1){
num1_s += input.charAt(i);
} else if (num == 2) {
num2_s += input.charAt(i);
} else {
System.err.println("Something went wrong");
}
} else if (input.charAt(i) == ',' && num == 1){
num += 1;
} else if (input.charAt(i) == ')' && num == 2){
int num1 = Integer.parseInt(num1_s);
int num2 = Integer.parseInt(num2_s);
rValue += (num1 * num2);
num = 1;
pattern_cnt = 0;
}
}
}
return rValue;
}
}

13
src/Main.java
View file

@ -24,10 +24,21 @@ public class Main {
int d1_p2_answer = day01.Part2();
long day01_p2 = System.currentTimeMillis() - start;
start = System.currentTimeMillis();
Day03 day03 = new Day03();
long day03_init = System.currentTimeMillis() - start;
start = System.currentTimeMillis();
int day03_p1_sample = day03.part1_sample();
long day03_p1_sample_t = System.currentTimeMillis() - start;
System.out.printf("Day 1 init took %dms", day01_init);
System.out.printf("Part 1 sample is: %d (%dms)\n", sample_d1_p1_answer, day01_p1_sample);
System.out.printf("Part 1 answer is: %d (%dms)\n", d1_p1_answer, day01_p1);
System.out.printf("Part 2 sample answer is: %d (%dms)\n", sample_d1_p2_answer, day01_p2_sample);
System.out.printf("Part 2 answer is: %d (%dms)", d1_p2_answer, day01_p2);
System.out.printf("Part 2 answer is: %d (%dms)\n", d1_p2_answer, day01_p2);
System.out.printf("Day 3 init took %dms\n", day03_init);
System.out.printf("Day 3 part 1 (sample): %d (%dms)\n", day03_p1_sample, day03_p1_sample_t);
}
}