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题解 | #明明的随机数#

import java.util.ArrayList; import java.util.Comparator; import java.util.HashSet; import java.util.Scanner; public class Main { public static void ma...

Java

2022-06-08

0 158

题解 | #计算某字符出现次数#

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

Java

2022-06-08

0 223

题解 | #字符串最后一个单词的长度#

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

Java

2022-06-08

0 224