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Diffstat (limited to 'min_len_str_ops.py')
-rw-r--r-- | min_len_str_ops.py | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/min_len_str_ops.py b/min_len_str_ops.py new file mode 100644 index 0000000..d9f4dd7 --- /dev/null +++ b/min_len_str_ops.py @@ -0,0 +1,32 @@ +# 3223. Minimum Length of String After Operations +from collections import Counter + +""" +you are given a string 's'. you can perform the following process on 's' any +number of times: choose an index 'i' in the string such that there is at +least one character to the left of index 'i' that is equal to 's[i]' and at +least one character to the right that is also equal to 's[i]', delete the +closest character to the left of index 'i' that is equal to 's[i]', delete +the closest character to the right of index 'i' that is equal to 's[i]'. +return the minimum length of the final string 's' that you can achieve +""" + + +class Solution(object): + def minimumLength(self, s): + """ + :type s: str + :rtype: int + """ + map, ans = Counter(s), 0 + for c, cnt in map.items(): + ans += 1 + if not cnt % 2: + ans += 1 + return ans + + +if __name__ == "__main__": + obj = Solution() + print(obj.minimumLength("abaacbcbb")) + print(obj.minimumLength("aa")) |