From 7533df401598fabc6e309e638c91d5a2e74266a1 Mon Sep 17 00:00:00 2001 From: choiminji Date: Tue, 11 Aug 2026 22:35:56 +0900 Subject: [PATCH] Day13 --- .../\354\265\234\353\257\274\354\247\200/3803.py" | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 "leetcode3/\354\265\234\353\257\274\354\247\200/3803.py" diff --git "a/leetcode3/\354\265\234\353\257\274\354\247\200/3803.py" "b/leetcode3/\354\265\234\353\257\274\354\247\200/3803.py" new file mode 100644 index 00000000..5827b7e7 --- /dev/null +++ "b/leetcode3/\354\265\234\353\257\274\354\247\200/3803.py" @@ -0,0 +1,11 @@ +class Solution: + def residuePrefixes(self, s: str) -> int: + result = 0 + + for i in range(1, len(s) + 1): + prefix = s[:i] + + if len(set(prefix)) == len(prefix) % 3: + result += 1 + + return result