aboutsummaryrefslogtreecommitdiff
path: root/find_difference.py
diff options
context:
space:
mode:
authorjack <[email protected]>2024-06-14 13:13:15 -0600
committerjack <[email protected]>2024-06-14 13:13:15 -0600
commitd343a3b18dbaca9297d4f7b2280c4a16f0a5c8aa (patch)
tree96df922dae2a5073d9a50ea70c7aae6aa37e3ebe /find_difference.py
downloadleetcode-d343a3b18dbaca9297d4f7b2280c4a16f0a5c8aa.tar.gz
leetcode-d343a3b18dbaca9297d4f7b2280c4a16f0a5c8aa.zip
initial
Diffstat (limited to 'find_difference.py')
-rw-r--r--find_difference.py23
1 files changed, 23 insertions, 0 deletions
diff --git a/find_difference.py b/find_difference.py
new file mode 100644
index 0000000..f0b26a6
--- /dev/null
+++ b/find_difference.py
@@ -0,0 +1,23 @@
+# 389. Find the Difference
+
+"""
+given two strings 's' and 't'. string 't' is generated by random shuffling
+string 's' and then add one more letter at a random position. return the
+letter that was added to 't'.
+"""
+
+
+class Solution(object):
+ def findTheDifference(self, s, t):
+ ans = 0
+ for i in s:
+ ans ^= ord(i)
+ for i in t:
+ ans ^= ord(i)
+ return chr(ans)
+
+
+if __name__ == "__main__":
+ obj = Solution()
+ print(obj.findTheDifference("abcd", "abcde")) # expect: e
+ print(obj.findTheDifference("", "y")) # expect: y