时间限制:1.0s 内存限制:256.0MB
给出n个学生的成绩,将这些学生按成绩排序,排序规则:总分高的在前;总分相同,数学成绩高的在前;总分与数学相同,英语高的在前;总分数学英语都相同,学号小的在前
第一行一个正整数n,表示学生人数
接下来n行每行3个0~100的整数,第i行表示学号为i的学生的数学、英语、语文成绩
接下来n行每行3个0~100的整数,第i行表示学号为i的学生的数学、英语、语文成绩
输出n行,每行表示一个学生的数学成绩、英语成绩、语文成绩、学号
按排序后的顺序输出
按排序后的顺序输出
2
1 2 3
2 3 4
1 2 3
2 3 4
2 3 4 2
1 2 3 1
1 2 3 1
n≤100
import java.util.Scanner; public class 成绩排序2 { public static class student { public int math; public int engilsh; public int chinese; public int id; public int all; } /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc = new Scanner(System.in); int n = sc.nextInt(); student[] student = new student[n]; for (int i = 0; i < n; i++) { student[i] = new student(); student[i].math = sc.nextInt(); student[i].engilsh = sc.nextInt(); student[i].chinese = sc.nextInt(); student[i].id = i + 1; student[i].all = student[i].math+student[i].engilsh+student[i].chinese; } for (int i = 0; i < n; i++) { for (int j = 0; j < n-i-1; j++) { if (student[j].all<student[j+1].all) { student temp = student[j]; student[j] = student[j+1]; student[j+1] = temp; }else if (student[j].all==student[j+1].all) { if (student[j].math<student[j+1].math) { student temp = student[j]; student[j] = student[j+1]; student[j+1] = temp; }else if (student[j].math == student[j+1].math) { if (student[j].engilsh<student[j+1].engilsh) { student temp = student[j]; student[j] = student[j+1]; student[j+1] = temp; }else if (student[j].engilsh==student[j+1].engilsh) { if (student[j].id>student[j+1].id) { student temp = student[j]; student[j] = student[j+1]; student[j+1] = temp; } } } } } } for (int i = 0; i < student.length; i++) { System.out.println(student[i].math + " " + student[i].engilsh + " " + student[i].chinese + " " + student[i].id); } } }
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