这个题目的意思是:以原点为圆心的半圆,每单位时间面积扩大50(初始半圆面积为0),现在给定点(x,y),计算多少单位时间后此点位于圆内(圆上)。计算公式就是:
代码就很简单了:
import java.util.*;
public class Main {
public static void main(String[] args) throws Exception {
Scanner in = new Scanner(System.in);
int countOfCase = in.nextInt();
float x, y;
double temp;
for(int i = 1; i <= countOfCase; i++) {
x = in.nextFloat();
y = in.nextFloat();
temp = (x*x + y*y)*Math.PI/100;
System.out.printf("Property %d: This property will begin eroding in year %d.\n", i, (int)temp + 1);
}
System.out.println("END OF OUTPUT.");
}
}
- 大小: 992 Bytes
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