leetpycode/easy/delete_characters_to_make_fancy_string.py

17 lines
456 B
Python

# https://leetcode.com/problems/delete-characters-to-make-fancy-string
class Solution:
def makeFancyString(self, s: str) -> str:
l = 0
old = None
result = []
for ch in s:
if old == None or old != ch:
old = ch
l = 1
result.append(old)
elif old == ch and l <= 2:
result.append(old)
l += 1
return ''.join(result)