题解 | #四舍五入#
四舍五入
https://www.nowcoder.com/practice/cae89de6292b4084acb93659353260e0
package base;
import java.util.Scanner;
public class Transfer {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
// 注意 hasNext 和 hasNextLine 的区别
while (in.hasNextDouble()) { // 注意 while 处理多个 case
double a = in.nextDouble();
int b = 0;
if ((a - (int) a) > 0.5)
b = (int) a + 1;
else
b = (int) a;
System.out.println(b);
}
}
}
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