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| author | Henry Wong <somethingweird@yahoo.com> | 2020-11-25 12:48:27 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-11-25 12:48:27 -0500 |
| commit | ce8d37e7a80ba4b15907cd5db241d30707e795cf (patch) | |
| tree | 3eafb1b0c674b6d7f22c957cc911102e3fc9a3f0 | |
| parent | a5a0a4d9dfffe2b586e3f893082f92ac815c065e (diff) | |
| download | perlweeklychallenge-club-ce8d37e7a80ba4b15907cd5db241d30707e795cf.tar.gz perlweeklychallenge-club-ce8d37e7a80ba4b15907cd5db241d30707e795cf.tar.bz2 perlweeklychallenge-club-ce8d37e7a80ba4b15907cd5db241d30707e795cf.zip | |
Update ch-2.php
where I learned to rotate matrix - http://techieme.in/matrix-rotation/
| -rw-r--r-- | challenge-088/henry-wong/php/ch-2.php | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/challenge-088/henry-wong/php/ch-2.php b/challenge-088/henry-wong/php/ch-2.php index d5154c58f0..2e639bec68 100644 --- a/challenge-088/henry-wong/php/ch-2.php +++ b/challenge-088/henry-wong/php/ch-2.php @@ -1,9 +1,13 @@ <?php + +# see http://techieme.in/matrix-rotation/ + # 0. take row # 1. delete row # 2. rotate matrix 90 degrees # 3. repeat again till no matrix +# Rotate matrix # 1. transpose matrix # 2. reflect horizontal axis |