摘要: AcWing.2816判断子序列 用双指针 code: #include<bits/stdc++.h> using namespace std; const int N = 1e5+5; int n,m,a[N],b[N]; int read() { int f=1,ans=0;char c=get 阅读全文
posted @ 2020-12-13 15:58 纸上的彩虹 阅读(81) 评论(0) 推荐(0)