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RSS订阅原创 ZZULIOJ 2128: base64解密（郑轻校赛）
题目: base64解密 此题主要是理解题意，其实题意就一句英文：what is the remainder when the number is divided by 2017? 就是输入一个数n，输出n%2017. Base64编码要求把3个8位字节（3*8=24）转化为4个6位的字节（4*6=24），之后在6位的前面补两个0，形成8位一个字节的形式。 如果剩下的字符不足3个字节，则用
2017-04-19 17:11:07
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原创 nyoj 挑战密室 模拟题
题目意思为求化学反应方程式等号后面一个物质的原子量，主要注意处理括号问题。这里有个全局变量 j 要注意一下#include<cstdio>#include<algorithm>#include<iostream>#include<cmath>#include<queue>#include<map>#include<set>#include<stack>#include<vector
2017-04-19 16:42:59
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转载 图论500题
[cpp] view plain copy=============================以下是最小生成树+并查集====================================== 【HDU】 1213 How Many Tables 基础并查集★ 1272 小希的迷宫
2016-11-22 20:08:59
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原创 Codeforces Round #378 (Div. 2) A B 题
比赛：http://codeforces.com/contest/733A. Grasshopper And the StringOne day, the Grasshopper was jumping on the lawn and found a piece of paper with a string. Grasshopper became inter
2016-11-02 20:32:24
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原创 Educational Codeforces Round 16 E 题 Generate a String
Generate a Stringtime limit per test2 secondsmemory limit per test512 megabytesinputstandard inputoutputstandard outputzscoder wants to generate an input file f
2016-08-30 16:34:54
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原创 Educational Codeforces Round 16 C 题 Magic Odd Square
C. Magic Odd Squaretime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputFind an n × n matrix with different numb
2016-08-30 16:00:01
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原创 hdoj3018 Ant Trip 欧拉回路
Ant TripProblem DescriptionAnt Country consist of N towns.There are M roads connecting the towns.Ant Tony,together with his friends,wants to go through every part of the country. They intend to visit e
2016-08-03 09:12:00
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原创 POJ2533 Longest Ordered Subsequence
Longest Ordered SubsequenceTime Limit: 2000MS Memory Limit: 65536K Total Submissions: 46578 Accepted: 20668 DescriptionA numeric sequence of ai is ordered if a1 < a2 < … < aN. Let the sub
2016-08-01 19:11:28
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原创 hdu3264 Balanced Lineup （RMQ查询最大值和最小值的差）
Balanced LineupDescriptionFor 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
2016-07-28 10:04:27
376
原创 hdu1754线段树（单节点更新+查询最大值）
I Hate ItTime Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 64160 Accepted Submission(s): 24914Problem Description很多学校流行一种比较的习惯。老师们很
2016-07-28 09:21:42
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原创 poj 2406 Power Strings KMP的next数组的应用
Power StringsDescriptionGiven two strings a and b we define a*b to be their concatenation. For example, if a = "abc" and b = "def" then a*b = "abcdef". If we think of concatenation as multipli
2016-06-09 10:40:11
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原创 hdu 1711 Number Sequence KMP模板题
题目：Number SequenceTime Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Problem Description Given two sequences of numbers : a[1], a[2], …… , a[N], and b[1], b[2], …… , b[M
2016-06-07 10:19:27
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原创 hdu1102 Constructing Roads 最小生成树模板题
Constructing Roadshdu1102：http://acm.hdu.edu.cn/showproblem.php?pid=1102这是一道典型的最小生成树prim算法的模板题，可以借助这一道题来学习一下最小生成树。题目意思：给你n个村庄，和从i村庄到j村庄的距离。已经修好的道路有q条，然后给出每条修好的道路连通的村庄a,b;这时我们可以使a，b的距离赋值为0，这样在就可以
2016-06-04 17:54:27
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原创 hdoj2120 A计划 （广搜）
题目链接：A计划 Problem Description 可怜的公主在一次次被魔王掳走一次次被骑士们救回来之后，而今，不幸的她再一次面临生命的考验。魔王已经发出消息说将在T时刻吃掉公主，因为他听信谣言说吃公主的肉也能长生不老。年迈的国王正是心急如焚，告招天下勇士来拯救公主。不过公主早已习以为常，她深信智勇的骑士LJ肯定能将她救出。 现据密探所报，公主被关在一个两层的迷宫里，迷宫的入口是S
2016-05-18 18:21:32
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