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Module DEMO-32-90DEMO-C-32

Euclidean Distance

DEMO-C-32 • Programming in C

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Problem Statement

Write a function float distance(float x1, float y1, float x2, float y2) that returns the Euclidean distance between two points (x1, y1) and (x2, y2).

Formula: sqrt((x2-x1)^2 + (y2-y1)^2).

Constraints

Standard float.

Input Format

Four floats.

Output Format

Distance value.

Sample Testcases

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Sample #1
Public sample
Input
0.0 0.0 3.0 4.0
Output
5.000000
Explanation
Distance from origin to (3,4) is 5.
Sample #2
Public sample
Input
-1.0 -1.0 -1.0 -1.0
Output
0.000000
Explanation
Same point.
Sample #3
Public sample
Input
0.0 0.0 0.0 10.0
Output
10.000000
Explanation
Vertical line len 10.

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