//赢得了上风 //从n几年移除堆叠一堆石头,有多少可取的石头堆 # include <stdio.h> # include <string.h> # include <algorithm> using namespace std; int main() { int n,sum,i,j,a[1010],cot,vis[1010]; while(~scanf("%d",&n),n) { sum=0; for(i=0;i<n;i++) {…
HDU.1850 Being a Good Boy in Spring Festival (博弈论 尼姆博弈) 题意分析 简单的nim 博弈 博弈论快速入门 代码总览 #include <bits/stdc++.h> #define nmax 105 using namespace std; int a[nmax]; int main() { int m; while(scanf("%d",&m) != EOF && m){ int ans = 0,…
题目链接:hdu 3415 Max Sum of Max-K-sub-sequence 题意: 给你一串形成环的数,让你找一段长度不大于k的子段使得和最大. 题解: 我们先把头和尾拼起来,令前i个数的和为sum[i]. 然后问题变成了求一个max{sum[i]-sum[j]}(i-k<j<i) 意思就是对于每一个sum[i],我们只需要找一个满足条件的最小的sum[j],然后我们就可以用一个单调队列来维护. #include<bits/stdc++.h> #define F(i,a…
HDU 1024 Max Sum Plus Plus (动态规划) Description Now I think you have got an AC in Ignatius.L's "Max Sum" problem. To be a brave ACMer, we always challenge ourselves to more difficult problems. Now you are faced with a more difficult problem. Given…