Answered: def large_rec(m: list[list[int]], r:…

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

Problem 1PE

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Question

def large_rec(m: list[list[int]], r: int, c: int) -> int:
"""
Do not use any imports, dictionaries, try-except statements or break and continue

please you must make use of the helper long here as you loop through
each row of the matrix

returns the area of the largest rectangle whose top left corner is at
position r, c in m.

>>> case1 = [[1, 0, 1, 0, 0],
... [1, 0, 1, 1, 1],
... [1, 1, 1, 1, 1],
... [1, 0, 0, 1, 0]]
>>> largest_at_position(case1, 1, 2)
6
"""

Helper code:

def long(lst: list[int]) -> int:

count = 0
i = 0
while i < len(lst) and lst[i] != 0:
i = i + 1
count = count + 1
return count

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