Python (Simple Maths)
Intuition\n Describe your first thoughts on how to solve this problem. \n\n# Approach\n Describe your approach to solving the problem. \n\n# Complexity\n- Time 
# Intuition\n<!-- Describe your first thoughts on how to solve this problem. -->\n\n# Approach\n<!-- Describe your approach to solving the problem. -->\n\n# Complexity\n- Time complexity:\n<!-- Add your time complexity here, e.g. $$O(n)$$ -->\n\n- Space complexity:\n<!-- Add your space complexity here, e.g. $$O(n)$$ -->\n\n# Code\n```\nclass Solution:\n    def decodeCiphertext(self, encodedText, rows):\n        m, res = len(encodedText)//rows, []\n\n        for i in range(m):\n            while i < len(encodedText):\n                res.append(encodedText[i])\n                i += m+1 \n\n        return "".join(res).rstrip()\n```
['Python3']