fix type error (except an int) in jumpmp_search line 7.

Author: clobob

searches/jump_search.py

@@ -2,11 +2,11 @@
 import math
 def jump_search(arr, x):
     n = len(arr)
-    step = math.floor(math.sqrt(n))
+    step = int(math.floor(math.sqrt(n)))
     prev = 0
     while arr[min(step, n)-1] < x:
         prev = step
-        step += math.floor(math.sqrt(n))
+        step += int(math.floor(math.sqrt(n)))
         if prev >= n:
             return -1
 
@@ -23,4 +23,4 @@ def jump_search(arr, x):
 arr = [ 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610]
 x = 55
 index = jump_search(arr, x)
-print("\nNumber " + str(x) +" is at index " + str(index));
+print("\nNumber " + str(x) +" is at index " + str(index));