Algorithms/JavaAlgorithms
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Simplifies the readability of the static method BS

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This commit is contained in:
Matheus Serrao 2017-07-16 04:28:01 -04:00
parent bf79830993
commit 60f6dda70a
1 changed files with 21 additions and 28 deletions
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39
Searches/BinarySearch.java
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@ -17,26 +17,20 @@ class BinarySearch
* @return the location of the key
**/
public static int BS(int array[], int key, int lb, int ub)
{ if (lb>ub)
{
if ( lb > ub)
return -1;
}
int mid=(lb+ub)/2;
int mid = (lb + ub) / 2;
if (key<array[mid])
{
if (key < array[mid])
return (BS(array, key, lb, mid-1));
}
else if (key>array[mid])
{
return (BS(array, key, mid+1, ub));
}
else
{
if (key > array[mid])
return (BS(array, key, mid + 1, ub));
return mid;
}
}
/**
@ -54,22 +48,21 @@ class BinarySearch
//Input
System.out.println("Enter an array of 10 numbers : ");
for (int i=0; i<10 ;i++ )
{
array[i]=input.nextInt();
}
for (int i = 0; i < 10 ; i++ )
array[i] = input.nextInt();
System.out.println("Enter the number to be searched : ");
key=input.nextInt();
key = input.nextInt();
int index=BS(array, key, 0, 9);
if (index!=-1)
{
if (index != -1)
System.out.println("Number found at index number : " + index);
}
else
{
System.out.println("Not found");
}
input.close();
}
}