Commit e5290147 by BellCodeEditor

save project

parent b250abfe
Showing with 16 additions and 2 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]
\ No newline at end of file q=0
w=9
t=4
def e(r):
if num_list[t]==r:
print(r)
break
elif q>w:
print('无')
else:
if num_list[t]>r:
w=t-1
else:
q=t+1
t=(q+w)//2
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