Pearls Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 10558 Accepted: 5489 Description In Pearlania everybody is fond of pearls. One company, called The Royal Pearl, produces a lot of jewelry with pearls in it. The Royal Pearl has its…
这个题目数据量很小,但是满足斜率优化的条件,可以用斜率优化dp来做. 要注意的地方,0也是一个决策点. #include <iostream> #include <cstdio> #include <cstring> using namespace std; const int maxn=1e2+9; int dp[maxn]; int a[maxn],p[maxn],sum[maxn]; int que[maxn]; bool chk1(int i,int j,int…
Pearls Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 6670 Accepted: 3248 Description In Pearlania everybody is fond of pearls. One company, called The Royal Pearl, produces a lot of jewelry with pearls in it. The Royal Pearl has its name…
Pearls Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 7210 Accepted: 3543 Description In Pearlania everybody is fond of pearls. One company, called The Royal Pearl, produces a lot of jewelry with pearls in it. The Royal Pearl has its name…
http://poj.org/problem?id=1260 Pearls Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 8474 Accepted: 4236 Description In Pearlania everybody is fond of pearls. One company, called The Royal Pearl, produces a lot of jewelry with pearls…
Java数据结构和算法(一)线性结构之单链表 prev current next -------------- -------------- -------------- | value | next | -> | value | next | -> | value | next | -------------- -------------- -------------- 单链表的结构如上:最后一个节点的 next=null.下面看一下代码. (1) 链表的基本操作 public class…
题目大意: 值得注意的一点是题目要求的是这些子段之间的最大整数和.注意和Max Sum Plus Plus这个题目的区别. 题解: 线性区间DP,对每一段考虑取或者不取.定义状态dp[i][j]指的是前i个数分为j段. 如果第j段不选的话dp[i][j]=dp[i-1][j],直接就是上一个状态的值. 如果选得话,dp[i][j]=dp[i-part[j]][j-1]+sum[i]-sum[i-part[j]].前一共有i个数,第j段要占用i-part[j]个数,所以前j-1段要占用 i-pa…
Pearls Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 7947 Accepted: 3949 Description In Pearlania everybody is fond of pearls. One company, called The Royal Pearl, produces a lot of jewelry with pearls in it. The Royal Pearl has its…
Description In Pearlania everybody is fond of pearls. One company, called The Royal Pearl, produces a lot of jewelry with pearls in it. The Royal Pearl has its name because it delivers to the royal family of Pearlania. But it also produces bracelets…
Palindrome Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 59101 Accepted: 20532 Description A palindrome is a symmetrical string, that is, a string read identically from left to right as well as from right to left. You are to write a…