ZigZag Conversion – LeetCode Solutions

#leetcode #python #algorithms #datastructures

LeetCode has a hard coding Problem in Its’ Algorithm Section: “ZigZag Conversion of Given String”. Today We are going to solve this problem.

Question
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)

P A H N
A P L S I I G
Y I R
And then read line by line: "PAHNAPLSIIGYIR"

Write the code that will take a string and make this conversion given a number of rows:

string convert(string s, int numRows);
Examples
Input: s = "PAYPALISHIRING", numRows = 3
Output: "PAHNAPLSIIGYIR"
Input: s = "PAYPALISHIRING", numRows = 4
Output: "PINALSIGYAHRPI"
Explanation:
P I N
A L S I G
Y A H R
P I
Input: s = "A", numRows = 1
Output: "A"
Conditions
1 <= s.length <= 1000
s consists of English letters (lower-case and upper-case), ',' and '.'.
1 <= numRows <= 1000
Solution to Zigzag Conversion is given here https://hecodesit.com/zigzag-conversion-leetcode-solutions/