1. 程式人生 > >SDUT- 3339 計算長方形的周長和麵積(類和物件)

SDUT- 3339 計算長方形的周長和麵積(類和物件)

import java.util.Scanner;
public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner cin = new Scanner(System.in);
		String s;
		int i, l, r;
		while(cin.hasNext())
		{
			s = cin.nextLine();
			l = r = 0;
			char a[] = s.toCharArray();
			for(i = 0; i < a.length; i++)
			{
				if(a[i] == '-')break;
			}
			if(i < a.length)
			{
				System.out.println("0 0 0 0");
				continue;
			}
			for(i = 0; i < a.length; i++)
			{
				if(a[i] == ' '){break;}
				l *= 10;
				l += a[i] - '0';
			}
			if(i == a.length)r = l;
			else 
			{
				
				for(i++; i < a.length; i++)
				{
					r *= 10;
					r += a[i] - '0';
				}
			}
			System.out.println(l + " " + r + " " + (l + r) * 2 + " " + l * r);
		}
		cin.close();
	}

}