题解 | #四舍五入#
四舍五入
https://ac.nowcoder.com/acm/problem/22006
import java.util.Scanner;
public class Main{
public static void main(String[] args){
Scanner scan = new Scanner(System.in);
int n = scan.nextInt();
System.out.println(n % 10 >= 5 ? n + (10 - (n % 10)) : n / 10 * 10);
}
}
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