add towers

src/UE00_Other/MEDT/SUE/eightTowers.java

@@ -0,0 +1,33 @@
+package UE00_Other.MEDT.SUE;
+
+public class eightTowers {
+
+    public static final int dim = 8;
+    public static int[] columns = new int[dim];
+    public static boolean[] lines = new boolean[dim];
+    public static int counter = 0;
+
+    public static void main(String[] args) {
+        tower(0);
+        System.out.println(counter);
+    }
+
+    public static void tower(int column) {
+        if (column == dim) {
+            for (int i = 0; i < columns.length; i++) {
+                char c = (char) ('A' + i);
+                System.out.print(c + "" + columns[i] + " ");
+            }
+            System.out.println();
+            counter++;
+            return;
+        }
+        for (int line = 0; line < dim; line++) {
+            if (lines[line]) continue;
+            lines[line] = true;
+            columns[column] = line;
+            tower(column + 1);
+            lines[line] = false;
+        }
+    }
+}