Exam - 17 December 2017 - 04. Workout

<?php
$numTrainingDays = intval(readline());
$kilometersRunFirstDay = floatval(readline());
$totalKilometers = $kilometersRunFirstDay;

for($i = 1; $i <= $numTrainingDays; $i++){
    $addKilometers = intval(readline());
    //това по-долу е начина взетото число да го използваме като процент "%"
    // например 1 + 10 / 100.0 => 1 + 0.1 = 1.1 !!!
    $totalKilometers += $kilometersRunFirstDay *=  1 + $addKilometers / 100.0;
}
if($totalKilometers < 1000){
    echo "Sorry Mrs. Ivanova, you need to run " .ceil(1000 - $totalKilometers). " more kilometers";
}elseif($totalKilometers >= 1000){
    echo "You've done a great job running " .ceil($totalKilometers - 1000). " more kilometers!";