/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Chaxun
{
public static void main (String[] args) throws java.lang.Exception
{
// your code goes here
Scanner sc = new Scanner(System.in);
int s = sc.nextInt();
Chaxun cx = new Chaxun();
int grade = cx.compare(s);
if (grade == 1) {
System.out.println("A");
}
else if (grade == 2) {
System.out.println("B");
}
else if (grade == 3) {
System.out.println("B");
}
}
public int compare(int s) {
return s > 90 ? 1 : (s > 60 ? 2 : 3);
}
}
http://ideone.com/izD16K
在线编译运行
输入
64
输出
B