joj

joj1013 Polynomial Multiplication

  1013: Polynomial Multiplication Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 4660 807 Standard A polynomial is a sum of terms, where each term is a coefficient
·2015-11-11 01:38

joj2535Train Ticket

  2535: Train Ticket Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 65536K 394 136 Standard 每次出外比赛，火车票的问题就出现了。太多的火车路线使acm的教练Coach Li很迷惘，当然，他总是努力使得总起来的火车票价最少。你能帮助他一下吗？输入给出
·2015-11-11 01:37

joj2608 石子

  2608: 石子 Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 1s 65536K 791 210 Standard Xiao Tang和Xiao Jiang非常喜欢玩一种有趣的小游戏: 有N个石子，两人轮流从中取出1个, 3个或4个石子，当石子被取空时，游戏结束。 最后一个取石子的人获胜,
·2015-11-11 01:37

joj1474 Soundex Indexing

  1474: Soundex Indexing Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 246 119 Standard The Soundex Index System was developed so that similar sounding names, or n
·2015-11-11 01:36

joj1025 LC-Display

1025: LC-Display Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 2251 642 Standard A friend of you has just bought a new computer. Until now, the most powerful computer he
·2015-11-11 01:34

joj1019 Do the Untwist

  1019: Do the Untwist Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 1151 641 Standard Cryptography deals with methods of secret communication that transform
·2015-11-11 01:33

joj2528 Save

  2528: Save Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 1s 65536K 461 162 Standard 津津的零花钱一直都是自己管理。每个月的月初妈妈给津津300元钱，津津会预算这个月的花销，并且总能做到实际花销和预算的相同。     
·2015-11-11 01:32

joj2137

  2137: Ask & Answer Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 908 477 Standard 请回答以下问题 ____年7月，中国共*产*党第一次全国代表大会在上海召开。____年7月7日，卢沟桥事变爆发，日本侵略军发动了全面侵华战争。___
·2015-11-11 01:29

joj2016: Sort the Students

  2016: Sort the Students Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 1417 539 Standard Given the class numbers and the scores of a group of students, you are to
·2015-11-11 01:27

joj1386

  1386: 500! Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 3081 552 Standard In these days you can more and more often happen to see programs which perform some us
·2015-11-11 01:26

joj1032

  1032: Deck Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 15s 8192K 1893 628 Standard Scenario A single playing card can be placed on a table, carefully, so that the short
·2015-11-11 01:21

joj1146

  1146: Word Reversal Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 2658 690 Standard For each list of words, output a line with each word reversed without changin
·2015-11-11 01:19

joj1024

  1024: Function Run Fun Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 2894 1177 Standard We all love recursion! Don't we?Consider a three-parameter recursive func
·2015-11-11 01:18

joj1006

  1006: All your base Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 5967 1984 Standard Given a base, and two positive integers in decimal (base 10), convert the tw
·2015-11-11 01:18

joj1277

  1277: Fibonacci Freeze Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 2367 561 Standard The Fibonacci numbers (0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, ...) are defin
·2015-11-11 01:17

joj1011

  1011: If only I had a Venn diagram Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 524288K 3990 1595 Standard The symmetric difference of two sets is the set of elements
·2015-11-11 01:16

joj1008

[JPoints: 381, Sender!: 0/0] 1008: Go hang a salami, I Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 8658 1612 Standard Given a character string, determine if it
·2015-11-11 01:15

joj2090

  2090: Clay Bully Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 421 266 Standard Ms. Terry is a pre-school art teacher who likes to have her students work with cl
·2015-11-11 01:15

joj2230

  2230: Peter's smokes Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 1s 8192K 976 410 Standard Peter has n cigarettes. He smokes them one by one keeping all the butts. Out
·2015-11-11 01:14

joj1175

  1175: The Binomial Function Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 2837 844 Standard 1st Jilin University ACM International Collegiate Programming Contest
·2015-11-11 01:13

joj1023

  1023: Digital Roots Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 6385 1371 Standard   Background The digital root of a positive integer is found by summing
·2015-11-11 01:13

JOJ循序渐进200题

Level 1（格式入门，熟悉OJ）：2484(格式控制)           2357(排序)              1012(数论,最大公约数)2153(人品题)
·2015-11-11 01:08

joj2485

2485: Welcome, 2008 Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 65536K 1454 677 Standard For Chinese people, 2008 is a special year. The 29th Olympic Games will be held in B
·2015-11-11 01:07

joj1020

1020: u Calculate e Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 6098 1521 Standard Background A simple mathematical formula for e is   where n is allowed to g
·2015-11-11 01:06

joj2471

2471: String triangle Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 65536K 3073 611 Standard You are asked to draw a right-angle triangle, the given materials is a special wor
·2015-11-11 01:05

joj1968: Common Subsequence

  1968: Common Subsequence Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 1s 4096K 781 227 Standard A subsequence of a given sequence is the given sequence with some element
·2015-11-09 11:56

joj2511: Number triangle

  2511: Number triangle Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 1s 65536K 467 233 Standard 5 3 4 8 1 2 5 4 3 6 2 1 7 9 8
·2015-11-09 11:55

joj1148: Prime Cuts

  1148: Prime Cuts Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 1346 447 Standard A prime number is a counting number (1, 2, 3, ...) that is evenly divisible only
·2015-11-09 11:54

joj1196: Goldbach

  1196: Goldbach Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 2275 745 Standard In 1742, Christian Goldbach, a German amateur mathematician, sent a letter to Leon
·2015-11-09 11:53

joj2573: Product of two primes

  2573: Product of two primes Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 65536K 929 287 Standard 输出所有在10000 – 20000之间，恰好可以分解为两个素数乘积的整数。将这些数从小到大输出。 Input 无 Output 每一
·2015-11-09 11:53

joj1483 Exponentiation

  1483: Exponentiation Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 365 109 Standard Problems involving the computation of exact values of very large magnitude an
·2015-11-09 11:52

joj 1920:Jojer

  1920: Jojer Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 784 242 Standard Mr Jojer is a teacher, and he is crazy in programming, he wants the computer to do eve
·2015-11-09 11:51

joj2154 Hungry Rabbits

  2154: Hungry Rabbits Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 8192K 1231 423 Standard A group of hungry rabbits had got a basket of carrots, but these carrots isn'
·2015-11-09 11:50

joj2476: Star travel

  2476: Star travel Result TIME Limit MEMORY Limit Run Times AC Times JUDGE 3s 65536K 895 177 Standard In the future world, one can travel by spaceship from one star to another. Beca
·2015-11-08 09:49

LCA与RMQ

参见topcoder的算法教程，Range Minimum Query and Lowest Common Ancestor   JOJ 一个题目： 2408 Beautiful girl
·2015-11-07 12:50

搜索题目

 joj 2391 words  　题意：给不超过12个word，找出最长的单词序列，其中，前一个单词的最后一个字母，等于后一个单词的第一个字母。 　
·2015-11-07 12:47

joj 2558 Ocean Currents 特别的广搜

题意： 　　一个R*C的海面，1<= R、C<=1000，上面每个点都有八个方向之一的current，顺着流走一个单位cost 0，不顺着走一个单位cost 1。计算由一个初始位置到结束位置最小的cost. 思路： 　　本来用A*，TLE，想想主要是因为A*考虑访问过的顶点，其实，这个题A*用的很憋屈，启发函数必须设成0。后来还是用了BFS，用两个队列，先把cost为0的全部入队
·2015-11-07 12:46

JOJ 2412 Divide the finger

题意：把一个不超过16位的数字分成m份，求乘积最大值。一个例子：12345拆成两部分，1234|5、123|45 ......，但是最大值是1234 * 5 = 6170 思路：动态规划，f(i, j, t)表示数字的第i位到j位，拆成t部分的最大值。方程：f(i, j, t) = max { f(i, k, 1) * f(k+1, j, t-1) } , k = i..(j-t+1)
·2015-11-07 12:44

UVa 624 CD && joj 1387 CD 背包问题

UVa 上规模比较小n最大值是20, 用DP把最大容量设置大点就可以AC，但是JOJ上n最大值是100，又没有告诉容量最大有多大，用DP一用就Runtime Error，在设置大点就Memory Limit
·2015-11-02 19:55

joj 2453 candy 网络流建图的题

Problem D: Candy As a teacher of a kindergarten, you have many things to do during a day, one of which is to allot candies to all children in your class. Today you have N candies for the coming M chi
·2015-11-01 09:33

Exponentiation(poj能通过，joj不能)

#include <stdio.h> #include <stdlib.h> #include <string.h> using namespace std; const int baseLength = 6; const int MAX = 200; char a[baseLength]={0}; //base ///不要思维
·2015-10-31 10:00

JOJ 2491 What is your level? 【动态规划（勉强可划分为此方面）】

【JOJ 2491】   【原题链接】 http://acm.jlu.edu.cn/joj/showproblem.php?
·2015-10-31 09:29

POJ 1456【贪心+并查集路径压缩】

id=1456   http://acm.jlu.edu.cn/joj/s
·2015-10-31 09:29

JOJ 2491 What is your level? 【动态规划解法】

动态规划：   [code] #include <iostream> #include <cstdio> #include <cstring> using namespace std;   long student[200005][2],score[410][410],level[410][410];   int
·2015-10-31 09:29

JOJ 1017（深度优先搜索）

【原题链接】 http://[2001:da8:b000:6221:213:72ff:fe8f:5269]/joj/showproblem.php?
·2015-10-31 09:28

JOJ 2453 Candy

JOJ_2453     假如最后剩下的是价值为1的若干颗糖，显然这些糖分给谁都是无所谓的，因此我们不妨先考虑如何分配最终价值为2的这些糖，这样剩下的只能是价值为1的糖再按需分配，
·2015-10-21 13:28

ACM OnlineJudge网站汇总

浙江大学（ZJU）：http://acm.zju.edu.cn/杭州电子科技大学(HDU)：http://acm.hdu.edu.cn/吉林大学（JLU）：http://acm.jlu.edu.cn/joj
judyge·2015-04-08 19:31

V8学习资源

url=7mk6ib9IJ-1K_-bFVZ-fXXo2nbI3jOJ3cnhr3XC3b08fPOKkc9v8vSAd-DgNMJZ2vdjgaiQiLk4qbwPXDNBt7vBty1rplmi8SpnpGB_raRW
·2014-11-16 21:00

joj 1131: Intersection (判断直线与矩形是否有交点) .

 DescriptionYouaretowriteaprogramthathastodecidewhetheragivenlinesegmentintersectsagivenrectangle.Anexample:line:startpoint:(4,9)endpoint:(11,2)rectangle:left-top:(1,5)right-bottom:(7,1)Figure1:Linese
Misdom_Tian_Ya·2014-09-15 18:00

不用乘法计算幂

JOJ2042是一个程序理解题，其中给出了一段奇妙的计算x^3的程序。
u010590166·2014-01-24 16:00
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