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-rw-r--r--OLD/csci1913/Java/lab7_strap012.java62
1 files changed, 0 insertions, 62 deletions
diff --git a/OLD/csci1913/Java/lab7_strap012.java b/OLD/csci1913/Java/lab7_strap012.java
deleted file mode 100644
index cfb89ed..0000000
--- a/OLD/csci1913/Java/lab7_strap012.java
+++ /dev/null
@@ -1,62 +0,0 @@
-class BinaryVsLinear
-{
-
- private static int linearSearch(int key, int[] keys)
- {
- int searchCount = 0;
- for (int i=0; i<keys.length; i+=1) {
- searchCount += 1;
- if (keys[i]==key) {
- return searchCount;
- }
- } return -1;
- }
-
-
- private static int binarySearch(int key, int[] keys)
- {
- int left=0; int right=(keys.length-1); int mid=0;
- int searchCount=0;
- while (true) {
- if (left>right) {
- mid=-1;
- break;
- } else {
- mid=(left+right)/2;
- searchCount += 2;
- if (key<keys[mid]) {
- right=mid-1;
- }
- else if (key>keys[mid]) {
- left=mid+1;
- } else {
- break;
- }
- }
- } return searchCount;
- }
-
- public static void main(String[] args)
- {
- for (int length = 1; length <= 30; length += 1)
- {
- int[] array = new int[length];
- for (int index = 0; index < length; index += 1)
- {
- array[index] = index;
- }
-
- double linearTotal = 0.0;
- double binaryTotal = 0.0;
- for (int element = 0; element < length; element += 1)
- {
- linearTotal += linearSearch(element, array);
- binaryTotal += binarySearch(element, array);
- }
-
- double linearAverage = linearTotal / length;
- double binaryAverage = binaryTotal / length;
- System.out.println(length + " " + linearAverage + " " + binaryAverage);
- }
- }
-}