anotherCha

Grains.java

@@ -0,0 +1,22 @@
+/**
+ * Grains
+ */
+public class Grains {
+
+  public static void main(String[] args) {
+
+    System.out.println(grainsCount());
+  }
+
+  public static double grainsCount() {
+    // Calculate the number of grains of wheat on a chessboard given that the number
+    // on each square doubles.
+    double gCount = 0;
+    double grainOnCurrentSQ = 1;
+    for (int i = 1; i <= 64; i++) {
+      gCount += grainOnCurrentSQ;
+      grainOnCurrentSQ *= 2;
+    }
+    return gCount;
+  }
+}