摘要:
双指针 https://www.luogu.com.cn/problem/list?tag=345 洛谷题目 1 A+B #include <bits/stdc++.h> #define ll long long using namespace std; const int N = 2e5 + 10 阅读全文
摘要:
随机数 import java.util.Random; public class Main { public static void main(String[] args) { Random r = new Random(); int data = r.nextInt(10); //0-9之间的随 阅读全文