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Diffstat (limited to 'string_compression3.py')
-rw-r--r-- | string_compression3.py | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/string_compression3.py b/string_compression3.py new file mode 100644 index 0000000..9461c0e --- /dev/null +++ b/string_compression3.py @@ -0,0 +1,34 @@ +# 3163. String Compression III + +""" +given a string 'word', compress it using the following algorithm: begin with +an empty string 'comp'. while 'word' is not empty, use the following +operation: remove a maximum length prefix of 'word' made of a single +character 'c' repeating at most 9 times. append the length of the prefix +followed by 'c' to 'comp'. return the string 'comp' +""" + + +class Solution(object): + def compressedString(self, word): + """ + :type word: str + :rtype: str + """ + comp, c = "", word[0] + cnt, n = 1, len(word) + for i in range(1, n): + if word[i] == c and cnt < 9: + cnt += 1 + else: + comp += str(cnt) + c + c = word[i] + cnt = 1 + comp += str(cnt) + c + return comp + + +if __name__ == "__main__": + obj = Solution() + print(obj.compressedString(word="abcde")) + print(obj.compressedString(word="aaaaaaaaaaaaaabb")) |