文章目錄

• P5742 題目要求
• P5742 AC代碼（Java語言描述）
• P5743 題目要求
• P5743 AC代碼（Java語言描述）
• P5744 題目要求
• P5744 AC代碼（Java語言描述）

P5742 題目要求

P5742題目鏈接

P5742 AC代碼（Java語言描述）

import java.util.Scanner;public class Main {private static class Student {private int id;private int grade1;private int grade2;private double grade;Student(int id, int grade1, int grade2) {this.id = id;this.grade1 = grade1;this.grade2 = grade2;this.grade = grade1 * 0.7 + grade2 * 0.3;}public String isExcellent() {return (grade1+grade2>140 && grade>=80) ? "Excellent" : "Not excellent";}}public static void main(String[] args) {Scanner scanner = new Scanner(System.in);int num = scanner.nextInt();for (int i = 0; i < num; i++) {System.out.println((new Student(scanner.nextInt(), scanner.nextInt(), scanner.nextInt())).isExcellent());}scanner.close();}}

P5743 題目要求

P5743題目鏈接

P5743 AC代碼（Java語言描述）

import java.util.Scanner;public class Main {public static void main(String[] args) {Scanner scanner = new Scanner(System.in);int num = scanner.nextInt();int j = 1;for (int i = 1; i < num; i++) {j++;j*=2;}System.out.println(j);scanner.close();} }

P5744 題目要求

P5744題目鏈接

P5744 AC代碼（Java語言描述）

import java.util.Scanner;public class Main {private static class Student {private String name;private int age;private int grade;Student(String name, int age, int grade) {this.name = name;this.age = age;this.grade = grade;}@Overridepublic String toString() {return name + ' ' + (age+1) + ' ' + ((grade>=500)?600:(int)(grade*1.2));}}public static void main(String[] args) {Scanner scanner = new Scanner(System.in);int num = scanner.nextInt();for (int i = 0; i < num; i++) {System.out.println(new Student(scanner.next(), scanner.nextInt(), scanner.nextInt()).toString());}scanner.close();}}

總結

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