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- public class Day5 {
- public static void main(String[] args) {
- //*******************************************//
- // ========== Day 5 - Part 1 ========== //
- //*******************************************//
- // my puzzel input
- String maze = "0\r\n" +
- "3\r\n" +
- "0\r\n" +
- "1\r\n" +
- "-3\r\n";
- // splitting the puzzel input into lines
- String[] lines = maze.split("\r\n|\r|\n");
- // creating an integer array with all the number from the line string
- int[] trampolin = new int[lines.length];
- for (int i=0; i<lines.length; i++) {
- for (int j=0; j<lines[i].length(); j++) {
- trampolin[i] = Integer.parseInt(lines[i]);
- }
- }
- // declaring int variable for jump search
- int position = 0, erhoeher = 0, spruenge = 0;
- // running the loop until the position is outside the maze
- while (position < trampolin.length) {
- // saving the position of the jump
- erhoeher = position;
- // jump to new position
- position = position + trampolin[position];
- // raising the jump offset
- trampolin[erhoeher] = trampolin[erhoeher] + 1;
- // counting the number of jumps
- spruenge++;
- }
- // printing out the number of jumps needed
- System.out.println(spruenge);
- //*******************************************//
- // ========== Day 5 - Part 2 ========== //
- //*******************************************//
- // resetting variable for new problem
- for (int i=0; i<lines.length; i++) {
- for (int j=0; j<lines[i].length(); j++) {
- trampolin[i] = Integer.parseInt(lines[i]);
- }
- }
- position = 0; erhoeher = 0; spruenge = 0;
- // running the loop until the position is outside the maze
- while (position < trampolin.length) {
- // saving the position of the jump
- erhoeher = position;
- // jump to new position
- position = position + trampolin[position];
- // checking if offset is equal or higher then 3 and raising or lowering it dependent on the outcome
- if (trampolin[erhoeher] < 3) {
- trampolin[erhoeher] = trampolin[erhoeher] + 1;
- } else {
- trampolin[erhoeher] = trampolin[erhoeher] - 1;
- }
- // counting the number of jumps
- spruenge++;
- }
- // printing out the number of jumps needed
- System.out.println(spruenge);
- }
- }
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