Commit 405230b3 by BellCodeEditor

save project

parent 2b58e7f8
Showing with 5 additions and 5 deletions
# 使用二分查找法,找出9和20在列表里面的索引 # 使用二分查找法,找出9和20在列表里面的索引
num_list = [1, 3, 5, 8, 11, 15, 17, 18, 20, 21] num_list = [1, 3, 5, 8, 11, 15, 17, 18, 20, 21]#列表
num=20 num=3#要找的数字
low=0 low=0#起点索引
hidkj=len(num_list)-1 hidkj=len(num_list)-1#终点索引
while low <= hidkj: while low <= hidkj:#循环直到起点索引小于终点索引
midl=(low+hidkj)//2 midl=(low+hidkj)//2
q=num_list[midl] q=num_list[midl]
if q<num: if q<num:
......
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