Cut Pieces Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 133    Accepted Submission(s): 62 Problem Description Suppose we have a sequence of n blocks. Then we paint the blocks. Each block sho…

Cut Pieces Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others) Total Submission(s): 728    Accepted Submission(s): 303 Problem Description Suppose we have a sequence of n blocks. Then we paint the blocks. Each block s…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4655 题意:给出n个石子,第i个石子可以染ai种颜色.对于每种颜色,比如颜色1221,我们称有3段.连续相同的为一段.合理安排石子的顺序使得所有染色方案的总段数之和最大? 思路:对于给出的一个数列,我是打表找到如何安排位置使得最后的答案最大,就是: i64 a[N],p[N],q[N],d[N];int n; int main(){    rush()    {        RD(n);     …

链接:http://acm.hdu.edu.cn/showproblem.php?pid=4655 题意:给你一组整数,代表每个木块所能涂成的颜色种数(编号1~ai),相邻的两块所能涂成的颜色如果是一样的认为是一块木块,问所有的涂色方案能涂成的木块总数. 思路:一开始赵鹏画的图上找到的思路.n*a1*a2*....an代表的是不急相同颜色所能涂成的块数.但是假如说4 3 那么他们两块之间一定会有3种情况会涂成一个颜色即认为是一块,那么他们之间的总数为4*3-3.也就是说我们每一次产生的重复数会影…

这个解题报告讲的很详细了!!! 代码如下: #include<iostream> #include<stdio.h> #include<algorithm> #include<iomanip> #include<cmath> #include<cstring> #include<vector> #define ll __int64 #define pi acos(-1.0) #define MAX 1000010 #def…

解法参考:http://blog.csdn.net/a601025382s/article/details/9840125 #include <cstdio> #include <cstdlib> #include <cstring> #include <algorithm> using namespace std; #define LL long long int ; ; int n; LL a[MAXN]; LL b[MAXN]; void ExGcd(…

Cut the Cake Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 263    Accepted Submission(s): 113 Problem Description MMM got a big big big cake, and invited all her M friends to eat the cake toge…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4655 先不考虑相临的有影响,那么总数就是n*prod(ai),然后减去每个相邻的对总数的贡献Σ( Min(a[i],a[i+1])*prod(i-1)*prod(i+2) ),其中prod(i)为[1,i-1]这个区间a[i]的积,prod(i+2)表示的是[i+2,n]这个区间,答案就是n*prod(ai)-Σ( Min(a[i],a[i+1])*prod(i-1)*prod(i+2) ),可以得…

Cut the Cake Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 300    Accepted Submission(s): 135 Problem Description MMM got a big big big cake, and invited all her M friends to eat the cake toge…

Cut the Cake Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1657    Accepted Submission(s): 806 Problem Description MMM got a big big big cake, and invited all her M friends to eat the cake tog…