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ipv4地址白名单

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

2020-05-08

1 679

StringBuilder自带的子串方法subSequence(i, j)

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

2020-05-08

1 936

二进制加法

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

2020-05-08

2 935

镜像数字

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

2020-05-08

1 985

环形字符串（直接加倍）

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

2020-05-07

2 1100

2233娘扭蛋机

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

2020-05-07

2 800

左上角->右下角，多少种走法

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

2020-05-07

2 719

加减法计算器

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

2020-05-07

2 662

连续子数组的最大和

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

2020-05-07

1 640

字符串压缩

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

2020-05-07

1 745