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4 Commits

Author SHA1 Message Date
f014389281 add 堆排序. 2024-05-15 16:16:05 +08:00
94021b3455 doc 格式化问题. 2023-07-08 15:12:02 +08:00
4d1c595a6b add 处理输入后ac. 2023-07-08 15:08:10 +08:00
f674b758aa add tle. 2023-07-08 14:01:55 +08:00
9 changed files with 84 additions and 6 deletions

3
.idea/Algorithm.iml generated
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@@ -2,9 +2,10 @@
<module type="PYTHON_MODULE" version="4">
<component name="NewModuleRootManager">
<content url="file://$MODULE_DIR$">
<excludeFolder url="file://$MODULE_DIR$/.venv" />
<excludeFolder url="file://$MODULE_DIR$/venv" />
</content>
<orderEntry type="jdk" jdkName="Python 3.10 (Algorithm)" jdkType="Python SDK" />
<orderEntry type="jdk" jdkName="Python 3.12 (Algorithm)" jdkType="Python SDK" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

5
.idea/misc.xml generated
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@@ -1,4 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectRootManager" version="2" project-jdk-name="Python 3.10 (Algorithm)" project-jdk-type="Python SDK" />
<component name="Black">
<option name="sdkName" value="Python 3.12 (Algorithm)" />
</component>
<component name="ProjectRootManager" version="2" project-jdk-name="Python 3.12 (Algorithm)" project-jdk-type="Python SDK" />
</project>

0
learn_sort/__init__.py Normal file
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31
learn_sort/heap.py Normal file
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@@ -0,0 +1,31 @@
def heapify(nums, start, end):
parent = start
son = parent * 2 + 1
while son <= end:
if son + 1 <= end and nums[son] < nums[son + 1]:
son += 1
if nums[parent] > nums[son]:
return
else:
nums[parent], nums[son] = nums[son], nums[parent]
parent = son
son = parent * 2 + 1
def heap_sort(nums):
n = len(nums)
for i in range(n // 2 - 1, -1, -1):
heapify(nums, i, n - 1)
print(nums)
for i in range(n - 1, 0, -1):
nums[0], nums[i] = nums[i], nums[0]
heapify(nums, 0, i - 1)
print(nums)
if __name__ == '__main__':
# https://leetcode.cn/problems/sort-an-array/description/
_nums = [7, 10, 13, 15, 4, 20, 19, 8]
heap_sort(_nums)
print(_nums)

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@@ -0,0 +1,2 @@
if __name__ == '__main__':
pass

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@@ -0,0 +1,41 @@
import io
import sys
sys.stdin = io.StringIO('''3
6
4 5 1 3 2 6
5
5 3 1 2 4
4
1 4 3 2''')
def fun(n, loc):
ans = [0] * n
ans[0] = 1
l, r = loc[1], loc[1]
for i in range(2, n + 1):
l = min(l, loc[i])
r = max(r, loc[i])
if r - l + 1 == i:
ans[i - 1] = 1
print(''.join(map(str, ans)))
t = int(input())
for _ in range(t):
n = int(input())
p = []
loc = [0] * (n + 1)
nums = input().split()
for i in range(n):
num = int(nums[i])
p.append(num)
loc[num] = i
fun(n, loc)
if __name__ == '__main__':
pass

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