P5713

題目要求

P5713題目鏈接

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();System.out.println((5*num < 3*num+11) ? "Local" : "Luogu");scanner.close();} }

P5719

題目要求

P5719題目鏈接

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 n = scanner.nextInt(), k = scanner.nextInt(), counter1 = 0, counter2 = 0, sum1 = 0, sum2 = 0;for (int i = 1; i <= n; i++) {if (i % k == 0) {counter1++;sum1 += i;} else {counter2++;sum2 += i;}}scanner.close();System.out.printf("%.1f %.1f", ((double)sum1/counter1), ((double)sum2/counter2));} }

P5730

題目要求

P5730題目鏈接

AC代碼（Java語言描述）

import java.util.Scanner;public class Main {public static void main(String[] args) {StringBuilder line1 = new StringBuilder();StringBuilder line2 = new StringBuilder();StringBuilder line3 = new StringBuilder();StringBuilder line4 = new StringBuilder();StringBuilder line5 = new StringBuilder();Scanner scanner = new Scanner(System.in);scanner.nextLine();char[] nums = scanner.nextLine().toCharArray();scanner.close();for (char c : nums) {switch (c) {case '0':line1.append("XXX.");line2.append("X.X.");line3.append("X.X.");line4.append("X.X.");line5.append("XXX.");break;case '1':line1.append("..X.");line2.append("..X.");line3.append("..X.");line4.append("..X.");line5.append("..X.");break;case '2':line1.append("XXX.");line2.append("..X.");line3.append("XXX.");line4.append("X...");line5.append("XXX.");break;case '3':line1.append("XXX.");line2.append("..X.");line3.append("XXX.");line4.append("..X.");line5.append("XXX.");break;case '4':line1.append("X.X.");line2.append("X.X.");line3.append("XXX.");line4.append("..X.");line5.append("..X.");break;case '5':line1.append("XXX.");line2.append("X...");line3.append("XXX.");line4.append("..X.");line5.append("XXX.");break;case '6':line1.append("XXX.");line2.append("X...");line3.append("XXX.");line4.append("X.X.");line5.append("XXX.");break;case '7':line1.append("XXX.");line2.append("..X.");line3.append("..X.");line4.append("..X.");line5.append("..X.");break;case '8':line1.append("XXX.");line2.append("X.X.");line3.append("XXX.");line4.append("X.X.");line5.append("XXX.");break;default:line1.append("XXX.");line2.append("X.X.");line3.append("XXX.");line4.append("..X.");line5.append("XXX.");break;}}int length = line1.length();System.out.println(line1.substring(0, length-1));System.out.println(line2.substring(0, length-1));System.out.println(line3.substring(0, length-1));System.out.println(line4.substring(0, length-1));System.out.println(line5.substring(0, length-1));} }

P5737

題目要求

P5737題目鏈接

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 min = scanner.nextInt(), max = scanner.nextInt();scanner.close();int counter = 0;StringBuilder result = new StringBuilder();for (int i = min; i <= max; i++) {if (i % 400 == 0 || (i % 4 == 0 && i % 100 != 0)) {result.append(i).append(" ");counter++;}}System.out.println(counter + "\n" + result.toString().trim());} }

總結

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