摘要:
题目链接:http://codeforces.com/problemset/problem/1029/B 题目大意:从数组a中选出一些数组成数组b,要求 `b[i+1] using namespace std; const int maxn = 200020; int n, a[maxn], f[m 阅读全文
摘要:
链接地址:https://www.cnblogs.com/wkfvawl/p/9475939.html 阅读全文