Given four points of the form: x1.y1x2.2.x3.y3x4y4 - create a program that will determine the intersection of the line containing (x1.y1) and (x2, y2) and the line containing (x3.y3) and (x4y4) Input Input starts with a number N and is followed by N pairs of lines (represented by 8 integers) Output A set of N pairs of points indicating the intersection of the N pair of lines. In case the lines don't intersect - then the output will be, "do not intersect". If the points do not form two lines then the output will be "invalid input" Limits 1

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
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* ME 1: Finding Intersections
Problem Statement
Given four points of the form: x1.y1.x2.y2.x3.y3.x4.14 - create a program that will determine the intersection of the line containing (x1.y1) and (x2, y2) and the line containing (x3.y3) and
(x4y4)
Input
Input starts with a number N and is followed by N pairs of lines (represented by 8 integers)
Output
A set of N pairs of points indicating the intersection of the N pair of lines. In case the lines don't intersect - then the output will be, "do not intersect". If the points do not form two lines
then the output will be "invalid input"
Limits
1<N<20
-100 < A₁ ≤ 100
Notes
Problems will have test cases that are not listed in their specification. Your solution must produce the right output for these hidden test cases.
Sample Input #1
11 22 12 24
112 213 25
Sample Output #1
-1 -1
Sample Input #2
2
1
1 1 1 1 2 2 3 3
1 2 2 2 2 3 3
Sample Output #2
do not intersect
invalid input
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Transcribed Image Text:* ME 1: Finding Intersections Problem Statement Given four points of the form: x1.y1.x2.y2.x3.y3.x4.14 - create a program that will determine the intersection of the line containing (x1.y1) and (x2, y2) and the line containing (x3.y3) and (x4y4) Input Input starts with a number N and is followed by N pairs of lines (represented by 8 integers) Output A set of N pairs of points indicating the intersection of the N pair of lines. In case the lines don't intersect - then the output will be, "do not intersect". If the points do not form two lines then the output will be "invalid input" Limits 1<N<20 -100 < A₁ ≤ 100 Notes Problems will have test cases that are not listed in their specification. Your solution must produce the right output for these hidden test cases. Sample Input #1 11 22 12 24 112 213 25 Sample Output #1 -1 -1 Sample Input #2 2 1 1 1 1 1 2 2 3 3 1 2 2 2 2 3 3 Sample Output #2 do not intersect invalid input Copy Copy Copy Copy
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