Staging
v0.5.1
https://github.com/python/cpython
Revision 99bbd18067083380b13a153c52fe342dbff21bc5 authored by cvs2svn on 12 October 1995, 10:34:31 UTC, committed by cvs2svn on 12 October 1995, 10:34:31 UTC
1 parent 0638b60
Raw File
Tip revision: 99bbd18067083380b13a153c52fe342dbff21bc5 authored by cvs2svn on 12 October 1995, 10:34:31 UTC
This commit was manufactured by cvs2svn to create tag 'release13'.
Tip revision: 99bbd18
bisect.py
# Bisection algorithms


# Insert item x in list a, and keep it sorted assuming a is sorted

def insort(a, x):
        lo, hi = 0, len(a)
        while lo < hi:
		mid = (lo+hi)/2
		if x < a[mid]: hi = mid
		else: lo = mid+1
	a.insert(lo, x)


# Find the index where to insert item x in list a, assuming a is sorted

def bisect(a, x):
        lo, hi = 0, len(a)
        while lo < hi:
		mid = (lo+hi)/2
		if x < a[mid]: hi = mid
		else: lo = mid+1
	return lo
back to top