题解 | #上下取整#
上下取整
https://ac.nowcoder.com/acm/problem/22001
import java.lang.Math;
public class Main{
public static void main(String[] args){
Scanner scan = new Scanner(System.in);
double a = scan.nextDouble();
int up = (int) Math.ceil(a);
int down = (int) Math.floor(a);
System.out.println(down);
System.out.println(up);
}
}
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