摘要:
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=6759 Problem Description Sandy likes to play with robots. He is going to organize a running competition 阅读全文
摘要:
题目链接:https://codeforces.com/contest/1382 B. Sequential Nim(博弈) C. Prefix Flip (思维题) D. Unmerge(背包DP) B. Sequential Nim 题目大意:给你n堆石子,每堆$a_i$个,你必须按顺序从左到右 阅读全文