//2007年04月30日晚上凌晨左右以记事本抄写自某java教材。
//想起那时候刚开始学java，一个classpath就能折磨我好几天。呵。
package pingfen;
//负责程序运行入口和调用其他类，并建立主循环，等待用户操作。
import java.io.*;
public class Program {
public static void main(String[] args) throws IOException {
BufferedReader input = new BufferedReader(new InputStreamReader(
System.in));
String inputString = "0";
Register register = new Register();
Grade grade = new Grade();
System.out.println("欢迎使用大赛平分程序");
System.out.println("-----选手检录-----");
register.registing();// 选手检录
// 进入主循环，等待用户选择操作
do {
System.out.println("评委打分请按1，查看成绩请按2，退出请按0");
inputString = input.readLine();
if (inputString.equals("1")) {
grade.grading(register.returnCandidate());// 评委打分
}
if (inputString.equals("2")) {
grade.showMark(register.returnCandidate());// 查看成绩
}
} while (!inputString.equals("0")); // 退出
}
}
package pingfen;
//选手对象，负责保存选手和分数信息。
public class Candidate {
public int ID;
public String name;
public double mark;
public double[] marks;
public Candidate(int id, String nam) {
this.ID = id;
this.name = nam;
this.marks = new double[6];
}
public String toString() {
return ID + "号选手 姓名：" + name + " 总分：" + mark;
}
}
package pingfen;
//检录对象，负责创建和管理多个选手对象。
import java.io.*;
public class Register {
public Candidate[] candidates;
String inputString;
public void registing() throws IOException {
System.out.println("请输入参赛人数，退出按0");
BufferedReader input = new BufferedReader(new InputStreamReader(
System.in));
inputString = input.readLine();
int n = Integer.parseInt(inputString);
if (n != 0) {
candidates = new Candidate[n + 1];
for (int i = 1; i <= n; i++) {
System.out.println("请输入" + i + "号参赛选手姓名：");
inputString = input.readLine();
Candidate candidate = new Candidate(i, inputString);
candidates[i] = candidate;
}
}
}
public Candidate[] returnCandidate() {
return candidates;
}
}
package pingfen;
//创建记分对象，负责评委对选手打分，记分统计，分数显示。
import java.io.*;
public class Grade {
BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
String inputString;
// 去掉一个最高分，去掉一个最低分，求出平均分作为选手最后得分
public double calculateMark(double[] marks) {
double max = 0.0; // 将最大值初始化为0
double min = 100.0; // 将最小值初始化为100
double total = 0.0;
for (int i = 1; i <= 5; i++) {
if (marks[i] < min)
min = marks[i];
if (marks[i] > max)
max = marks[i];
total = total + marks[i];
}
total = (total - max - min) / 3.0;
System.out.println("去掉一个最高分" + max + ",去掉一个最低分" + min + ",该选手最后得分："
+ total);
return total;
}
// 评委打分
public void inputMarks(double[] marks) throws IOException {
for (int i = 1; i <= 5; i++) {
System.out.println(i + "号评委打分");
inputString = input.readLine();
double m = Double.parseDouble(inputString);
marks[i] = m;
}
}
// 排序
public void sort(Candidate[] c, int key) {
Candidate tmp;
boolean changed = false;
for (int i = 1; i <= (c.length - 1); i++) {
for (int j = 1; j <= ((c.length - 1) - 1); j++) {
if (key == 1)
changed = (c[j].ID > c[j + 1].ID);// 按选手编号排序
if (key == 2)
changed = (c[j].mark < c[j + 1].mark);// 按选手成绩排序
if (changed) {
tmp = c[j];
c[j] = c[j + 1];
c[j + 1] = tmp;
}
}
}
}
// 显示成绩
public void showMark(Candidate[] c) throws IOException {
System.out.println("-----选手成绩-----");
System.out.println("按选手编号排序请按1，按选手成绩排序请按2");
inputString = input.readLine();
int n = Integer.parseInt(inputString);
sort(c, n);
for (int i = 1; i <= (c.length - 1); i++) {
System.out.println(c[i].toString());
}
}
// 求选手最后得分
public void grading(Candidate[] c) throws IOException {
System.out.println("-----评委打分-----");
for (int i = 1; i <= (c.length - 1); i++) {
System.out.println("给" + i + "号选手打分：");
inputMarks(c[i].marks);
c[i].mark = calculateMark(c[i].marks);
}
}
}