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全部文章（共86篇）

题解 | 撞车-Java

import java.util.*; public class Main { static class Car { long x; // 使用long避免位置值过大导致溢出 int v; Car(long x, int v) { ...

2025-09-23

1 6

题解 | 最长不下降子序列-Java

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

2025-09-21

1 7

题解 | 小红的地砖-Java

import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner in =...

2025-09-21

1 7

题解 | 硬币凑钱-Java

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

2025-09-21

1 7

题解 | 数楼梯-Java

import java.util.Scanner; public class Main { // 取模常数 private static final int MOD = 998244353; public static void main(String[] args) {...

2025-09-21

1 6

题解 | mex-Java

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

2025-09-21

1 6

题解 | 斐波那契字符串-Java

import java.util.Scanner; public class Main { static final int MOD = 1000000007; static final int MAX_N = 100000; static long[] len = new...

2025-09-19

1 11

题解 | 染色-Java

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

2025-09-19

1 6

题解 | 空间跃迁-Java

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

2025-09-09

1 14

题解 | 【模板】二维差分-Java

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

2025-09-09

1 14