Challenge 256 solutions by Packy Anderson

  * Raku
  * Perl
  * Python

1 Blog post

1 files changed, 36 insertions, 0 deletions

diff --git a/challenge-256/packy-anderson/python/ch-1.py b/challenge-256/packy-anderson/python/ch-1.py
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+#!/usr/bin/env python
+
+def maximumPairs(words):
+    count = 0
+    while words:
+        # the the first word off the list
+        first = words.pop(0)
+        # now compare to the rest of the words in the list
+        for i in range(len(words)):
+            second = words[i]
+            if first == second[::-1]:
+                # we found a pair
+                count += 1
+                # remove words[i] from the list
+                words.pop(i)
+                # we don't need to compare
+                # any more words to first
+                break
+    return count
+
+def comma_join(arr):
+    return '", "'.join(arr)
+
+def solution(words):
+    print(f'Input: @words = ({words})')
+    count = maximumPairs(words)
+    print(f'Output: {count}')
+
+print('Example 1:')
+solution(["ab", "de", "ed", "bc"])
+
+print('\nExample 2:')
+solution(["aa", "ba", "cd", "ed"])
+
+print('\nExample 3:')
+solution(["uv", "qp", "st", "vu", "mn", "pq"])