Write a function that diagonally orders numbers in a n x n matrix, depending on which of the four corners you originate from: upper-left (ul), upper-right (ur), lower-left (11), lower-right (1r). Examples diagonalize(3, "ul") → [ [0, 1, 2], [1, 2, 3], [2, 3, 4] ] diagonalize(4, "ur") [ [3, 2, 1, 0], [4, 3, 2, 1], [5, 4, 3, 2], [6, 5, 4, 3] ] diagonalize (3, "11") - [ [2, 3, 4], [1, 2, 3], [0, 1, 2] ] diagonalize (5, "lr") → [ [8, 7, 6, 5, 4], [7, 6, 5, 4, 3], [6, 5, 4, 3, 2], [5, 4, 3, 2, 1], [4, 3, 2, 1, 0] ]

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Write a function that diagonally orders numbers in an x n matrix, depending on which of
the four corners you originate from: upper-left (ul), upper-right (ur), lower-left (11),
lower-right (1r).
Examples
diagonalize (3, "ul") → [
-
]
diagonalize(4, "ur") → [
[3, 2, 1, 0],
[4, 3, 2, 1],
[5, 4, 3, 2],
[6, 5, 4, 3]
]
[0, 1, 2],
[1, 2, 3],
[2, 3, 4]
diagonalize (3, "11") [
[2, 3, 4],
[1, 2, 3],
[0, 1, 2]
]
diagonalize(5, "Ir") → [
[8, 7, 6, 5, 4],
[7, 6, 5, 4, 3],
[6, 5, 4, 3, 2],
[5, 4, 3, 2, 1],
[4, 3, 2, 1, 0]
]
Transcribed Image Text:Write a function that diagonally orders numbers in an x n matrix, depending on which of the four corners you originate from: upper-left (ul), upper-right (ur), lower-left (11), lower-right (1r). Examples diagonalize (3, "ul") → [ - ] diagonalize(4, "ur") → [ [3, 2, 1, 0], [4, 3, 2, 1], [5, 4, 3, 2], [6, 5, 4, 3] ] [0, 1, 2], [1, 2, 3], [2, 3, 4] diagonalize (3, "11") [ [2, 3, 4], [1, 2, 3], [0, 1, 2] ] diagonalize(5, "Ir") → [ [8, 7, 6, 5, 4], [7, 6, 5, 4, 3], [6, 5, 4, 3, 2], [5, 4, 3, 2, 1], [4, 3, 2, 1, 0] ]
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