Help me!!!

The length of segment
(Time: 1 sec. Memory: 16 MB Difficulty: 12%)

input

The input file contains the coordinates of INPUT.TXT endpoints format X1, Y1, X2, Y2. All coordinates - integers not exceeding 1000 in absolute value.

output

The output file OUTPUT.TXT output length of the segment with accuracy not worse than 10-5.

example

INPUT.TXT :3 4 8 4
OUTPUT.TXT:5
Last edited on
What do you need help with?
Lol, that is a pretty funny way to ask a question
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