[백준] 1333번 : 부재중 전화 - Dart(다트)

https://www.acmicpc.net/problem/1333

import 'dart:io';
void main(){
    String? s=stdin.readLineSync();
    var v=s!.split(' ').map<int>((o)=>int.parse(o));
    var n=v.elementAt(0);
    var l=v.elementAt(1)+5;
    var d=v.elementAt(2);
    var num=0;
    var time=d;
    for(var i=0;i<n;i++){
        num+=l;
        for(;;){
            if(time<num-5) time+=d;
            else break;
        }
        if(num-5<=time&&time<num) break;
    }
    print(time);
}