题解 | #取近似值# 考虑负浮点数版本
取近似值
https://www.nowcoder.com/practice/3ab09737afb645cc82c35d56a5ce802a
public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); // 注意 hasNext 和 hasNextLine 的区别 while (in.hasNextInt()) { // 注意 while 处理多个 case double a = in.nextDouble(); System.out.println(a < 0 ? (int)(a-0.5) : (int)(a+0.5)); } } }