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全部文章（共28篇）

题解 | 数据分类处理

import java.nio.charset.IllegalCharsetNameException; import java.util.*; public class Main { public static void main(String[] args) { Sca...

2025-06-25

0 9

题解 | 合唱队

import java.lang.reflect.Array; import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner...

2025-06-25

0 11

题解 | 简单错误记录

import java.util.LinkedHashMap; import java.util.LinkedHashSet; import java.util.Map; import java.util.Scanner; public class Main { public static...

2025-06-25

0 12

题解 | 识别有效的IP地址和掩码并进行分类统计

import java.util.Scanner; public class Main { static int ipA = 0, ipB = 0, ipC = 0, ipD = 0, ipE = 0, ipOrMaskFlase = 0, ipSelf = 0; public ...

2025-06-25

0 10

题解 | 不要三句号的歪

import javax.imageio.metadata.IIOMetadataNode; import java.util.Scanner; public class Main { public static void main(String[] args) { Sca...

2025-06-24

0 16

题解 | 判断两个IP是否属于同一子网

import javax.imageio.metadata.IIOMetadataNode; import javax.security.sasl.SaslClient; import java.util.Scanner; public class Main { public static...

2025-06-22

0 15

题解 | 字符串加密

import java.util.*; import java.util.concurrent.ConcurrentHashMap; public class Main { public static void main(String[] args) { Scanner s...

2025-06-22

0 16

题解 | 蛇形矩阵

import java.util.ArrayList; import java.util.Scanner; import java.util.Stack; public class Main { public static void main(String[] args) { ...

2025-06-22

0 17

题解 | 整数与IP地址间的转换

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); Strin...

2025-06-22

0 15

题解 | 字符串合并处理

import javax.print.DocFlavor; import java.awt.*; import java.util.*; import java.util.regex.Pattern; public class Main { public static void main(...

2025-06-21

0 10