I - CONTINUE...? ZOJ - 4033 DreamGrid has classmates numbered from to . Some of them are boys and the others are girls. Each classmate has some gems, and more spec
ithnnodes such that every node is labelled with exactly one element from the seq...
Given a connected, undirected, weight graph G, your task is to select
Jessica's Reading Problem POJ - 3320 Jessica's a very lovely girl wooed by lo
Game of Connections HDU - 1134 This is a small but ancient game. You are supposed to write down the numbers 1, 2, 3, ... , 2n - 1, 2n consecutively in clockwise order on the ground to
Minimum Scalar ProductKattis - minimumscalar You are given two vect
Face The Right Way POJ - 3276 Farmer John has arranged his
最长回文 HDU - 3068 给出一个只由小写英文字符a,b,c...y,z组成的字符串S,求
题目：有重量和价值分别为wi和vi的n个物品。从这些物品中挑选总重
吉哥系列故事——完美队形II HDU - 4513 吉哥又想出
A - What Kind of Friends Are You? ZOJ - 3960 Japari Park is a large zoo home to extant species, endangered species, extinct species, cryptids and some legendary creatures. Due to a mysteriou
D - Now Loading!!! ZOJ - 4029 Sample Input 2 3 2 100 1000 10000 100 10 4 5 2323 223 12312 3 1232 324 2 3 5 Sample Output 11366 45619 题意：按照如上公式进行计算思路：如果直接计算，是肯定会超时的，但是能够发现，每一项的分母 ，是确定在一个范围内的，
标准二维表DP设n是一个正整数。2*n的标准二维表是由正整数1,2,…,2n组成的2*n数
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Q - Period For each prefix of a given string S with N characters (each character has an ASCII code between 97 and 126, inclusive), we want to know whether the prefix is a periodic string. That is
G - 逃生 HRBUST - 2074 小A沦落到了一个迷宫之中，这个迷宫由n*m个格子构成，有些格子是不能通过的，现在他要从迷宫入口(1,1)的格子走到迷宫出口(n,m)的格子。因为小A的方向感很弱，转多了会晕，所以他走到目的地的时候，最多能转z次，否则他就永远晕倒在原地了，到了出口也没法出去了。 请你告诉他最少能经过多少个格子走出迷宫。 小Y从(1,1
D - Copying Books Before the invention of book-printing, it was very hard to make a copy of a book. All the contents had to be re-written by hand by so called scribers. The scriber had been given
A - 骨牌铺方格在2×n的一方案的总数，每个实例的输出占一行。Sampl...
Holding Bin-Laden Captive!HDU - 1085We all know that Bin-Lade
B - Window PainsPOJ - 2585Boudreaux likes to multitask, especially when it comes to
Red and Black POJ - 1979 There is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black tile. From a tile, he can move to one
E - Dima and a Bad XORCodeForces - 1151BStudent Dima from Kremland has a matrixaao
D - Ultra-QuickSortPOJ - 2299In this problem, you have to analyze a particular sorting al
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