Problem
Given two strings A and B and an integer N, print a new string made by alternately taking N characters from A and N from B, and so on. If one runs out, append the rest.
Input format
Input
input.txt
- String A (1–50) - String B (1–50) - Integer N (1–10)
Output format
Output
output.txt
- The interleaved string
Example
input
abcdef xyzuvw 2
output
abx ycz duw ef
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Sample cases (from the problem)
Sample Case 1
Input
abcdef xyzuvw 2
Expected output
abx ycz duw ef
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