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# @lc app=leetcode.cn id=1516 lang=python3
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# [1516] the-k-th-lexicographical-string-of-all-happy-strings-of-length-n
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# @lc app=leetcode.cn id=1516 lang=python3
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# [1516] the-k-th-lexicographical-string-of-all-happy-strings-of-length-n
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# @lc code=end
# # @lc app=leetcode.cn id=1516 lang=python3 # # [1516] the-k-th-lexicographical-string-of-all-happy-strings-of-length-n # # @lc code=end