/
Contents.swift
59 lines (46 loc) · 959 Bytes
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Contents.swift
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//[source](https://www.hackerrank.com/challenges/grading/problem)
import UIKit
var originals = [Int]()
// Get original grades
func inputGrade(_ num: Int) {
for _ in 0..<num {
let grade = Int(readLine()!)!
originals.append(grade)
}
}
// Get the next multiple of 5 from the original grade, and calculate final grade
func getFinal(_ grade: Int) -> Int{
var finalGrade = 0
let multiple = (Double(grade)/5.0).rounded(.up)
let nextMultipleOfFive = (Int(multiple)*5)
if grade < 38 {
return grade
}
if nextMultipleOfFive - grade < 3 {
finalGrade = nextMultipleOfFive
}
if nextMultipleOfFive - grade >= 3 {
finalGrade = grade
}
return finalGrade
}
// execute codes
let numOfStudent = Int(readLine()!)!
inputGrade(numOfStudent)
for grade in originals {
print(getFinal(grade))
}
/*
< Example of the result >
Input:
4
73
67
38
33
Output:
75
67
40
33
*/