题解 | #取近似值#
取近似值
https://www.nowcoder.com/practice/3ab09737afb645cc82c35d56a5ce802a
import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { String s =""; Scanner in = new Scanner(System.in); // 注意 hasNext 和 hasNextLine 的区别 while (in.hasNext()) { // 注意 while 处理多个 case s = in.next(); } result(s); } private static void result(String s){ String[] s1 = s.split("\\."); int result = 0; if(s1.length == 2){ int a0 = Integer.valueOf(s1[0]); int a1 = Integer.valueOf(s1[1].charAt(0)) -48; if(a1 >= 5){ result = a0 + 1; } else{ result = a0; } } else { result = Integer.valueOf(s); } System.out.print(result); } }
雪域灰灰刷题笔记 文章被收录于专栏
雪域灰灰刷题笔记