[백준] 16199번 : 나이 계산하기 - Dart(다트)

https://www.acmicpc.net/problem/16199

import 'dart:io';
import 'dart:math';
void main(){
    String? ln=stdin.readLineSync();
    final v=ln!.split(' ').map<int>((o)=>int.parse(o));
    String? ln1=stdin.readLineSync();
    final v1=ln1!.split(' ').map<int>((o)=>int.parse(o));
    var y=v.elementAt(0);
    var m=v.elementAt(1);
    var d=v.elementAt(2);
    var y1=v1.elementAt(0);
    var m1=v1.elementAt(1);
    var d1=v1.elementAt(2);
    
    var sum=0;
    if(m<m1) sum=y1-y;
    else if(m==m1 && d<=d1) sum=y1-y;
    else sum=y1-y-1;
        
    print(sum);
    print(y1-y+1);
    print(y1-y);
}