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OS/2 Shareware BBS: 10 Tools
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10-Tools.zip
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pyth_os2.zip
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python-1.0.2
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Lib
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bisect.py
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1993-12-29
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458b
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24 lines
# 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