package main

import "math"

func DistanceBetweenPoints(x1, y1, x2, y2 float64) float64 {

	ratio := math.Pow(10, 4)

	return math.Round(math.Sqrt(math.Pow((x2-x1), 2) + math.Pow((y2-y1), 2)) * ratio) / ratio
}