POJ系列——java

入门

POJ1005

题目大概意思

已知（x,y），求半圆的面积，每年50平方米，相除求出年限

代码：

import java.util.Scanner;/** * Created by admin on 2017/10/25. */public class POJ1005 {    public static void main(String[] args) {        Scanner in = new Scanner(System.in);        int n = in.nextInt();        for (int i=0;i<n;i++) {            float x = in.nextFloat();            float y = in.nextFloat();            double s = (Math.PI)*((Math.pow(x,2))+(Math.pow(y,2)))/2;            int year = (int)s/50;            System.out.println("Property "+(i+1)+": This property will begin eroding in year "+(year+1)+".");        }        System.out.println("END OF OUTPUT.");    }}