AlexBa16/SEW_Uebungen_2024.25
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update UE09_Rekursion2

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AlexBa16
2024-12-02 13:35:24 +01:00
parent 08c43af87c
commit 748edd0631
1 changed files with 16 additions and 13 deletions
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29
src/UE09_191124_Rekursion2/UE09_Rekursion2.java
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@@ -10,16 +10,19 @@ public class UE09_Rekursion2 {
int[][] file1 = readFile("src/UE09_191124_Rekursion2/UE09_triangle1.txt"); int[][] file1 = readFile("src/UE09_191124_Rekursion2/UE09_triangle1.txt");
int[][] file2 = readFile("src/UE09_191124_Rekursion2/UE09_triangle2.txt"); int[][] file2 = readFile("src/UE09_191124_Rekursion2/UE09_triangle2.txt");
int[][] file3 = readFile("src/UE09_191124_Rekursion2/UE09_triangle.txt"); int[][] file3 = readFile("src/UE09_191124_Rekursion2/UE09_triangle.txt");
// System.out.println("\n" + maxTotalRekursion(file1, 0, 0)); System.out.println("\n" + maxTotalRekursion(file1, 0, 0));
// System.out.println("\n" + maxTotalRekursion(file2, 0, 0)); System.out.println("\n" + maxTotalRekursion(file2, 0, 0));
//// System.out.println("\n" + maxTotalRekursion(file3, 0, 0)); //Braucht ewig lange, da File sehr groß //// System.out.println("\n" + maxTotalRekursion(file3, 0, 0)); //Braucht ewig lange, da File sehr groß
// System.out.println("\n" + maxTotal(file1)); System.out.println("\n" + maxTotal(file1));
// System.out.println("\n" + maxTotal(file2)); System.out.println("\n" + maxTotal(file2));
// System.out.println("\n" + maxTotal(file3)); System.out.println("\n" + maxTotal(file3));
// System.out.println(longestCollatzSequence(999999)); System.out.println(longestCollatzSequence(999999));
// System.out.println(longestCollatzSequence(13)); System.out.println(longestCollatzSequence(13));
// System.out.println(collatzSequenceLength(13)); System.out.println(collatzSequenceLength(13));
System.out.println(coinSums(2)); int[] coins = new int[]{200, 100, 50, 20, 10, 5, 2, 1};
System.out.println(coinSums(200, coins, 0));
System.out.println(coinSums(10, new int[]{200, 100, 50, 20, 10, 5, 2, 1}, 0));
System.out.println(coinSums(2, new int[]{200, 100, 50, 20, 10, 5, 2, 1}, 0));
} }
public static int[][] readFile(String file) { public static int[][] readFile(String file) {
@@ -47,7 +50,6 @@ public class UE09_Rekursion2 {
return input[0][0]; return input[0][0];
} }
public static long longestCollatzSequence(int limit) { public static long longestCollatzSequence(int limit) {
long startingNumber = 0, maxLength = 0; long startingNumber = 0, maxLength = 0;
for (int i = 1; i <= limit; i++) { for (int i = 1; i <= limit; i++) {
@@ -64,8 +66,9 @@ public class UE09_Rekursion2 {
return n == 1 ? 1 : collatzSequenceLength((n & 1) == 0 ? n / 2 : 3 * n + 1) + 1; return n == 1 ? 1 : collatzSequenceLength((n & 1) == 0 ? n / 2 : 3 * n + 1) + 1;
} }
public static long coinSums(int coin) { public static int coinSums(int value, int[] coins, int index) {
System.out.println(coin); if (value == 0) return 1;
return 0; if (value < 0 || index >= coins.length) return 0;
return coinSums(value - coins[index], coins, index) + coinSums(value, coins, index + 1);
} }
} }