题目传送门 /* DP:dp 表示当前输入的x前的包含x的子序列的和, 求和方法是找到之前出现x的位置(a[x])的区间内的子序列: sum 表示当前输入x前的所有和: a[x] 表示id: 详细解释:http://blog.csdn.net/u013050857/article/details/45285515 */ #include <cstdio> #include <algorithm> #include <cmath> #include <iostrea…

http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5496 The 12th Zhejiang Provincial Collegiate Programming Contest - D Beauty of Array Time Limit: 2 Seconds      Memory Limit: 65536 KB Edward has an array A with N integers. He defines…

Beauty of Array Time Limit: 2 Seconds Memory Limit: 65536 KB Edward has an array A with N integers. He defines the beauty of an array as the summation of all distinct integers in the array. Now Edward wants to know the summation of the beauty of all…

/** Author: Oliver ProblemId: ZOJ 3872 Beauty of Array */ /* 需求: 求beauty sum,所谓的beauty要求如下: 1·给你一个集合,然后把所有子集合的美丽和求出来: 2·上例子,2.3.3.->2. 3. 3. 2.3. 3. 2.3. 思路: 1·既然要连续的,暴力也会爆,那么自然而然的优化,朝着递推想一下: 2·哥们把之前的算好了,那我们是不是可以用算好的值来求现在的的需要呢: 3·想好了,但是过程我不造该怎么说; 步骤:…

Beauty of Array Time Limit: 2 Seconds      Memory Limit: 65536 KB Edward has an array A with N integers. He defines the beauty of an array as the summation of all distinct integers in the array. Now Edward wants to know the summation of the beauty of…

Beauty of Array Edward has an array A with N integers. He defines the beauty of an array as the summation of all distinct integers in the array. Now Edward wants to know the summation of the beauty of all contiguous subarray of the array A. Input The…

Beauty of Array Time Limit: 2 Seconds Memory Limit: 65536 KB Edward has an array A with N integers. He defines the beauty of an array as the summation of all distinct integers in the array. Now Edward wants to know the summation of the beauty of all…

M - M Time Limit:2000MS     Memory Limit:32768KB     64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1261 Description SAT was the first known NP-complete problem. The problem remains NP-complete even if all expressions are written in conju…

C#中枚举Enum的写法: /// <summary> /// 公开类型 2-好友可见 1-公开 0-不公开 /// </summary> public enum OpenStatusWithFriend { /// <summary> /// 不公开 /// </summary> Close = , /// <summary> /// 公开 /// </summary> Open = , /// <summary> //…

Description Edward has an array A with N integers. He defines the beauty of an array as the summation of all distinct integers in the array. Now Edward wants to know the summation of the beauty of all contiguous subarray of the array A. Input There a…