Added the Entrys for the Days 1 - 7

This commit is contained in:
Jona Krampe
2022-12-20 07:35:29 +00:00
parent f41d001d33
commit cfeab93722
43 changed files with 9229 additions and 0 deletions
+58
View File
@@ -0,0 +1,58 @@
import java.io.IOException;
import java.io.RandomAccessFile;
import java.util.ArrayList;
public class main {
public static void main(String[] args) {
try {
RandomAccessFile file = new RandomAccessFile("input.txt", "r");
String str;
while ((str = file.readLine()) != null) {
//Part 1
System.out.print("Part 1: ");
System.out.println(findStartOfSequence(str,4));
//Part 2
System.out.print("Part 2: ");
System.out.println(findStartOfSequence(str,14));
}
} catch (IOException e) {
e.printStackTrace();
}
}
public static int findStartOfSequence(String input, int lengthOfSequence) {
char[] sequence = new char[lengthOfSequence];
boolean matchFound = false;
for (int i = lengthOfSequence; i <= input.length(); i++) {
matchFound = false;
for (int j = 0; j < lengthOfSequence; j++) {
sequence[j] = input.charAt(i-lengthOfSequence+j);
}
for (int j = 0; j < lengthOfSequence; j++) {
for (int k = 0; k < lengthOfSequence; k++) {
if (j == k) {
continue;
}
if (sequence[j] == sequence[k]) {
matchFound = true;
break;
}
}
}
if (!matchFound) {
return i;
}
}
return -1;
}
}