JSure的代码库

题目+自上至下DP解法：

Jogging Trails Time Limit: 1000MS   Memory Limit: 65536K       Description Gord is training for a marathon. Behind his house is a park with a large network of jogging tra

B-number Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2469    Accepted Submission(s): 1349 Problem Description A wqb-number, or

FatMouse and Cheese Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Problem Description FatMouse has stored some cheese in a city. The city can be consider

给出三个字串，问第三个字串能否由前两个字串拼凑而成。顺序不能打乱。

上次用自底向上递推的姿势Copy-Study了这道题的题解。但是还有一个个人觉得更容易接受的姿势——记忆化搜索。

Function Run Fun Time Limit: 1000MS   Memory Limit: 10000K       Description We all love recursion! Don't we?  Consider a three-parameter recursive function w(a, b, c)

不要62 Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Problem Description 杭州人称那些傻乎乎粘嗒嗒的人为62（音：laoer）。 杭州交通管理局经常会扩充一些的士车牌照，新近出来一个好消息，以后上牌照，不再含有不吉利的数字了，这样一

Number of Locks Time Limit: 1000MS   Memory Limit: 10000K       Description In certain factory a kind of spring locks is manufactured. There are n slots (1 < n < 17, n is

XHXJ's LIS Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Problem Description .................. Another hobby of xhxj is yy(speculation) some magical prob

找零钱 Time Limit: 1000 ms   Case Time Limit: 1000 ms   Memory Limit: 64 MB Description 我们知道人民币有1、2、5、10、20、50、100这几种面值。  现在给你n(1≤n≤250)元，让你计算换成用上面这些面额表示且总数不超过100张，共有几种。  比如4元，能用4张1元、2张1

Mother's Milk Farmer John has three milking buckets of capacity A, B, and C liters. Each of the numbers A, B, and C is an integer from 1 through 20, inclusive. Initially, buckets A and B are empty

Healthy Holsteins Burch & Kolstad Farmer John prides himself on having the healthiest dairy cowsin the world. He knows the vitamin content for one scoop of eachfeed type and the minimum daily vitami

Round Numbers Time Limit: 2000MS   Memory Limit: 65536K       Description The cows, as you know, have no fingers or thumbs and thus are unable to play Scissors, Paper, St

D. Beautiful numbers time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Volodya is an odd boy and his taste is

Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others) Problem Description The counter-terrorists found a time bomb in the dust. But this time the terrorist

10606. Balanced Numbers Problem code: BALNUM Balanced numbers have been used by mathematicians for centuries. A positive integer is considered a balanced number if: 1)      Every even digit appea

Balanced Number Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others) Problem Description A balanced number is a non-negative integer that can be balanced if a pi

B. Little Elephant and Elections time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output There have recently been elections i

滑雪 Time Limit: 1000 ms   Case Time Limit: 1000 ms   Memory Limit: 64 MB Description Michael喜欢滑雪百这并不奇怪， 因为滑雪的确很刺激。可是为了获得速度，滑的区域必须向下倾斜，而且当你滑到坡底，你不得不再次走上坡或者等待升降机来载你。Michael想知道载一个区域中最长底滑坡。区域由一个二维数组