Created
September 2, 2013 08:09
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demo bubble
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''' | |
Created on 2013-8-23 | |
@author: codegeek | |
''' | |
def bubble_sort(seq): | |
for i in range(len(seq)): | |
for j in range(i,len(seq)): | |
if seq[j] < seq[i]: | |
tmp = seq[j] | |
seq[j] = seq[i] | |
seq[i] = tmp | |
def selection_sort(seq): | |
for i in range(len(seq)): | |
position = i | |
for j in range(i,len(seq)): | |
if seq[position] > seq[j]: | |
position = j | |
if position != i: | |
tmp = seq[position] | |
seq[position] = seq[i] | |
seq[i] = tmp | |
def insertion_sort(seq): | |
if len(seq) > 1: | |
for i in range(1,len(seq)): | |
while i > 0 and seq[i] < seq[i-1]: | |
tmp = seq[i] | |
seq[i] = seq[i-1] | |
seq[i-1] = tmp | |
i = i - 1 | |
if __name__ == "__main__": | |
print "--------bubble_sort-------------" | |
seq = [22,1,33,4,7,6,8,9,11] | |
bubble_sort(seq) | |
print seq | |
print "--------selection_sort-------------" | |
seq = [88,44,33,4,7,6,8,9,11] | |
selection_sort(seq) | |
print seq | |
print "--------insertion_sort-------------" | |
seq = [777,44,33,4,7,6,1111,100,11] | |
insertion_sort(seq) | |
print seq | |
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