aldsalkjf

arrays/src/arrays/Main.java

@@ -57,6 +57,7 @@ class Sudoku {
         for (int[] col : transposed)
             if (isRepetitive(col)) return false;
 
+        /*
        // Check there'ren't any repeats in a square.
    for (int i = 0; i < 9; i++) {
        int[] square = new int[3][3];
@@ -64,6 +65,7 @@ class Sudoku {
            // for (int k = i; k < i + 3; k++) { square[i][k] }
        }
    }
+*/
 
         return true;
     }

bloom_filters/src/bloom_filters/Main.java

@@ -2,6 +2,33 @@ package bloom_filters;
 
 import tester.Tester;
 
-class Examples {
+class BitVec {
-    void testTheThing(Tester t) { t.checkExpect(true, true); }
+    boolean[] vec;
+
+    BitVec(int m) {
+        if (m < 0)
+            throw new IllegalArgumentException("Must be positive integer.");
+
+        this.vec = new boolean[m];
+    }
+
+    // Get the value of the ith bit.
+    boolean get(int i) { return this.vec[i]; }
+
+    // Set the value of the ith bit.
+    void set(int i, boolean v) { this.vec[i] = v; }
+
+    // Flip the ith bit.
+    void flip(int i) { this.vec[i] = !this.vec[i]; }
+}
+
+class Hash {
+    static
+}
+
+class Examples {
+    void testTheThing(Tester t) {
+        t.checkExpect(true, true);
+        t.checkExpect(false, false);
+    }
 }