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Merged
merged 2 commits into from
Oct 8, 2022
Merged

Create: 367-Valid-Perfect-Square.py #1233

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5cb6c66
Create: 367-Valid-Perfect-Square.py
UdayGarg Oct 4, 2022
540898b
Merge branch 'neetcode-gh:main' into 367-Valid-Perfect-Square
UdayGarg Oct 4, 2022
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Create: 367-Valid-Perfect-Square.py
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@UdayGarg
UdayGarg committed Oct 4, 2022
commit 5cb6c667e152e25e91c1a96a46753a586ddab577
21 changes: 21 additions & 0 deletions python/367-Valid-Perfect-Square.py
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Original file line number Diff line number Diff line change
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class Solution:
def isPerfectSquare(self, num: int) -> bool:
for i in range(1, num+1):
if i * i == num:
return True
if i* i > num:
return False



def isPerfectSquare_2(self, num: int) -> bool:
l ,r = 1, num
while l <= r:
mid = (l +r) // 2
if mid * mid > num:
r = mid - 1
elif mid * mid < num:
l = mid + 1
else:
return True
return False