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keitaito/HackerRankChallengeSolution-Kangaroo.swift

Created January 31, 2017 01:35
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HackerRankChallengeSolution-Kangaroo.swift
//
// HackerRankChallengeSolution-Kangaroo.swift
// Kangaroo
//
// Created by Keita Ito on 1/29/17.
// Copyright © 2017 Keita Ito. All rights reserved.
//
// https://www.hackerrank.com/challenges/kangaroo
let inputs = readLine()!.characters.split(separator: " ").map { Int(String($0))! }
var x1 = inputs[0]
var v1 = inputs[1]
let x2 = inputs[2]
let v2 = inputs[3]
if v2 > v1 || v2 == v1 {
print("NO")
} else {
if (x1 - x2) % (v2 - v1) == 0 {
print("YES")
} else {
print("NO")
}
}
// https://www.hackerrank.com/challenges/kangaroo
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