Add 2 more exercises

This commit is contained in:
strNophix 2022-08-31 12:00:11 +02:00
parent 89071996f3
commit 2f32bdc7b9
2 changed files with 67 additions and 0 deletions

26
leetcode/69_sqrtx.py Normal file
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import pytest
class Solution:
def mySqrt(self, x: int) -> int:
left, right = 0, x
while left <= right:
mid = left + (right - left) // 2
val = mid * mid
if val <= x < (mid + 1) * (mid + 1):
return mid
elif x < val:
right = mid - 1
else:
left = mid + 1
return 0
@pytest.fixture
def solution():
return Solution()
@pytest.mark.parametrize("x, expected", [(4, 2), (8, 2)])
def test_my_sqrt(solution: Solution, x: int, expected: int):
assert solution.mySqrt(x) == expected

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import pytest
class Solution:
def search(self, nums: list[int], target: int) -> bool:
low, high = 0, len(nums) - 1
while low <= high:
breakpoint()
mid = low + (high - low) // 2
if nums[mid] == target:
return True
if nums[mid] >= nums[low]:
if nums[low] <= target <= nums[mid]:
high = mid - 1
else:
low = mid + 1
else:
if nums[mid] <= target <= nums[high]:
low = mid + 1
else:
high = mid - 1
return False
@pytest.fixture
def solution():
return Solution()
@pytest.mark.parametrize(
"nums, target, expected",
[
# ([2, 5, 6, 0, 0, 1, 2], 0, True),
# ([2, 5, 6, 0, 0, 1, 2], 3, False),
([1, 0, 1, 1, 1], 0, True),
],
)
def test_search(solution: Solution, nums: list[int], target: int, expected: bool):
assert solution.search(nums, target) == expected