The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility)
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P A H N A P L S I I G Y I R |
And then read line by line: "PAHNAPLSIIGYIR"
...
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Input: s = "PAYPALISHIRING", numRows = 4 Output: "PINALSIGYAHRPI" |
Explanation:
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P I N A L S I G Y A H R P I |