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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Use C++
Project Description
Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area.
For example, given the following matrix:
10100
10 11 1
11111
1 0 0 1 0
Return 4.
Input
Your program takes as input a file with multiple test cases separated by an empty line. Each test case starts
with a line with two integers indicating the size of the matrix in the test case, and is followed by lines of O's
and 1's that form the matrix. The last line is a 0 meaning the end of test cases.
A sample input is as follows:
45
1 0 1 0 0
10 11 1
1 1 1 1 1
1 0 0 1 0
5 7
1 0 1 0
0 1 1
1 0 1
1 1 1 1
1 1 1 1 1 0 1
1 0 1 1 1 0 1
10 10 10 1
Output
Your program should output the area for the largest square of each test case in console.
The correct output for the above test cases are:
Hint
Page
lagi
1
Transcribed Image Text:Project Description Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area. For example, given the following matrix: 10100 10 11 1 11111 1 0 0 1 0 Return 4. Input Your program takes as input a file with multiple test cases separated by an empty line. Each test case starts with a line with two integers indicating the size of the matrix in the test case, and is followed by lines of O's and 1's that form the matrix. The last line is a 0 meaning the end of test cases. A sample input is as follows: 45 1 0 1 0 0 10 11 1 1 1 1 1 1 1 0 0 1 0 5 7 1 0 1 0 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 0 1 1 1 0 1 10 10 10 1 Output Your program should output the area for the largest square of each test case in console. The correct output for the above test cases are: Hint Page lagi 1
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