Difference Is Beautiful Time Limit:5000MS Memory Limit:65536KB 64bit IO Format:%lld & %llu Submit Status Practice POJ 3419 Description Mr. Flower's business is growing much faster than originally planned. He has now become the CEO of a world-…
题目传送门 Cornfields Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 7963 Accepted: 3822 Description FJ has decided to grow his own corn hybrid in order to help the cows make the best possible milk. To that end, he's looking to build the c…
Balanced Lineup Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 43168 Accepted: 20276 Case Time Limit: 2000MS Description For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer Joh…
Description For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer John decides to organize a game of Ultimate Frisbee with some of the cows. To keep things simple, he will take a contiguous rang…
题目链接:http://poj.org/problem?id=3635 Description After going through the receipts from your car trip through Europe this summer, you realised that the gas prices varied between the cities you visited. Maybe you could have saved some money if you were…
Balanced Lineup Time Limit: 5000 MS Memory Limit: 0 KB 64-bit integer IO format: %I64d , %I64u Java class name: Main [Submit] [Status] [Discuss] Description For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order…
Frequent values Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 14742 Accepted: 5354 Description You are given a sequence of n integersa1 , a2 , ... , an in non-decreasing order. In addition to that, you are given several queries consi…
Q: 01背包最后返回什么 dp[v], v 是多少? A: 普通01背包需要遍历, 从大到小. 但此题因为物品的总重量必定大于背包容量, 所以直接返回 dp[V] 即可 update 2014年3月14日11:22:55 1. 几个月后, 感觉返回的不应该是 dp[V], 二是 dp[0...V] 中的最大值 Description Dearboy was so busy recently that now he has piles of clothes to wash. Luckily, h…
Description An array of size n ≤ 106 is given to you. There is a sliding window of size k which is moving from the very left of the array to the very right. You can only see the k numbers in the window. Each time the sliding window moves rightwards b…
链接: http://poj.org/problem?id=2253 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=22010#problem/D Frogger Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 21206 Accepted: 6903 Description Freddy Frog is sitting on a stone in the…
F - Heavy Transportation Time Limit:3000MS Memory Limit:30000KB 64bit IO Format:%I64d & %I64u Submit Status Practice POJ 1797 Description Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand busines…
题目链接:http://poj.org/problem?id=2184 Cow Exhibition Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 9479 Accepted: 3653 Description "Fat and docile, big and dumb, they look so stupid, they aren't much fun..." - Cows with Guns by…
Description You are given a sequence of n integers a1 , a2 , ... , an in non-decreasing order. In addition to that, you are given several queries consisting of indices i and j (1 ≤ i ≤ j ≤ n). For each query, determine the most frequent value among t…
题目链接: http://poj.org/problem?id=1797 Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. But he needs a clever man who tells him whether there really is a way from the place his customer has buil…
Georgia and Bob Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 6622 Accepted: 1932 Description Georgia and Bob decide to play a self-invented game. They draw a row of grids on paper, number the grids from left to right by 1, 2, 3, ...…
d.求对字符串最少添加几个字符可变为回文串. s. 法1:直接对它和它的逆序串求最长公共子序列长度len.N-len即为所求.(N为串长度) 因为,要求最少添加几个字符,我们可以先从原串中找到一个最长回文子序列,然后对于原串中不属于这个回文子序列的字符,在串中的相应位置添加一个相同的字符即可.那么需要添加的字符数量即为N-len. 最长回文串可以看作是原串中前面和后面字符的一种匹配(每个后面的字符在前面找到一个符合位置要求的与它相同的字符).这种的回文匹配和原串与逆序串的公共子序列是一一对应的(…
