gc-power-of-thor

gistfile1.dart

import 'dart:io';
import 'dart:math';

/**
 * Auto-generated code below aims at helping you parse
 * the standard input according to the problem statement.
 **/
 
Point lightOfPowerPoint;
Point thorPoint;
    
void main() {
    List<int> line = stdin.readLineSync().split(' ').map((s) => int.parse(s)).toList();
    lightOfPowerPoint = new Point(line[0], line[1]);
    thorPoint = new Point(line[2], line[3]);
    while (true) {
        int E = int.parse(stdin.readLineSync());
        String move = chooseMoveY();
        move += chooseMoveX();
        print(move);
    }
}

String chooseMoveY() {
    if (thorPoint.y < lightOfPowerPoint.y) {
        thorPoint = new Point(thorPoint.x, thorPoint.y + 1);
        return 'S';
    } else if (thorPoint.y > lightOfPowerPoint.y) {
        thorPoint = new Point(thorPoint.x, thorPoint.y - 1);
        return 'N';
    }
    return '';
}

String chooseMoveX() {
    if (thorPoint.x < lightOfPowerPoint.x) {
        thorPoint = new Point(thorPoint.x + 1, thorPoint.y);
        return 'E';
    } else if (thorPoint.x > lightOfPowerPoint.x) {
        thorPoint = new Point(thorPoint.x - 1, thorPoint.y);
        return 'W';
    }
    return '';
}