Skip to content

Add palindrome check function with two-pointer approach #7

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
Shashank23123458867504 wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Add palindrome check function with two-pointer approach #7

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
18 changes: 18 additions & 0 deletions palindrome-pointers.py
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
# Check if a string is a palindrome using the two-pointer approach

def pali(s):
left,right=0,len(s)-1

while left <= right:
if s[left]!=s[right]:
return False
left+=1
right-=1

return True

print(pali("tenet")) # True
print(pali("goat")) # False
print(pali("madam")) # True
print(pali("hello")) # False