随笔档案「2018年6月」 - 霜雪千年

goj 堆箱子咯（栈）

摘要：Problem Description: 双十一大家都在买买买，可忙坏了快递小哥了。zl和皮卡鸡在大伙在剁手的时候，偷偷去快递公司那当兼职赚钱了。zl将箱子一个个叠起来，皮卡鸡将那堆箱子搬到别的地方去，但由于箱子太重，他每次只能拿最上面的一个。zl一边叠箱子，皮卡鸡就一边把目前最上面的箱子搬走，但由阅读全文

posted @ 2018-06-28 21:43 霜雪千年阅读(520) 评论(0) 推荐(0)

ACM_夏天到了,又到了出游的季节

摘要：夏天到了,又到了出游的季节夏天到了,又到了出游的季节 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: QWER最近无心打代码,于是带着n套衣服出去浪.但阅读全文

posted @ 2018-06-28 21:18 霜雪千年阅读(162) 评论(0) 推荐(0)

ACM_迟到的祝福（四）

摘要：迟到的祝福（四）迟到的祝福（四） Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 据说前几天是雁来师姐的生日，作为一个15级的小鲜肉A，没及时给师姐送去阅读全文

posted @ 2018-06-28 20:57 霜雪千年阅读(157) 评论(0) 推荐(0)

ACM_梦中的函数

摘要：梦中的函数梦中的函数 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 寒假那段时间，每天刷题的小G连做梦都是代码，于是有了这道题。给定一个数组a，求g 阅读全文

posted @ 2018-06-28 20:23 霜雪千年阅读(140) 评论(0) 推荐(0)

ACM_ZHANGZHANG喜欢手表

摘要：ZHANGZHANG喜欢手表 ZHANGZHANG喜欢手表 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: ZHANGZHANG刚过生日，收到了好朋友NE 阅读全文

posted @ 2018-06-28 19:31 霜雪千年阅读(328) 评论(0) 推荐(0)

ACM_出题人这样不好吧

摘要：出题人这样不好吧出题人这样不好吧 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 作为编协的第一次月赛，肯定是要有防AK(ALL KILL)的题目的，只阅读全文

posted @ 2018-06-28 10:47 霜雪千年阅读(256) 评论(0) 推荐(0)

ACM_Mystery

摘要：Mystery Mystery Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: No Description Problem Description: I 阅读全文

posted @ 2018-06-27 22:16 霜雪千年阅读(227) 评论(0) 推荐(0)

ACM_Repeating Characters

摘要：Repeating Characters Repeating Characters Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: For this pr 阅读全文

posted @ 2018-06-27 20:57 霜雪千年阅读(180) 评论(0) 推荐(0)

ACM_题目这么难，来局愉快的昆特牌吧

摘要：题目这么难，来局愉快的昆特牌吧题目这么难，来局愉快的昆特牌吧 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 小Z打比赛，然而比赛太难了，他坐在电脑面前阅读全文

posted @ 2018-06-26 23:08 霜雪千年阅读(251) 评论(0) 推荐(0)

ACM_水题你信吗

摘要：水题你信吗水题你信吗 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 某发最近又认识了很多妹（han）子，可是妹（han）子一多不免有时会忘记那么一两个阅读全文

posted @ 2018-06-26 21:29 霜雪千年阅读(140) 评论(0) 推荐(0)

ACM_滚动AC

摘要：滚动AC 滚动AC Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 小光最近拉了几个同学入ACM的坑，为鼓励A题，就增加奖励制度：每AC三道就送一道，且可阅读全文

posted @ 2018-06-26 21:09 霜雪千年阅读(127) 评论(0) 推荐(0)

goj 栈的压入、弹出序列

摘要：Problem Description: 输入两个整数序列，第一个序列表示栈的压入顺序，请判断第二个序列是否为该栈的弹出顺序。假设压入栈的所有数字均不相等。例如序列1,2,3,4,5是某栈的压入顺序，序列4，5,3,2,1是该压栈序列对应的一个弹出序列，但4,3,5,1,2就不可能是该压栈序列的弹出阅读全文

posted @ 2018-06-26 20:04 霜雪千年阅读(228) 评论(0) 推荐(0)

ACM_黯然销魂？

摘要：黯然销魂？黯然销魂？ Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 发神集训表现出色，决定要送他鸡翅，但是锴神决定不让他那么容易拿到，所以给鸡翅包了很阅读全文

posted @ 2018-06-26 13:31 霜雪千年阅读(198) 评论(0) 推荐(0)

ACM_Cipher（异或运算）

摘要：Cipher Cipher Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 只剩两个小时就要正式开始第一次月赛了，大四师兄决定还是来出一道，找点存在感，出阅读全文

posted @ 2018-06-25 23:45 霜雪千年阅读(252) 评论(0) 推荐(0)

ACM_小凯的排序（字符串）

摘要：小凯的排序小凯的排序 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 调皮的小凯喜欢排序，拿到什么东西都要排一下序。现在他觉得单一的递增递减排序已经不能阅读全文

posted @ 2018-06-25 22:18 霜雪千年阅读(254) 评论(0) 推荐(0)

goj 哥德巴赫猜想（素数筛）

摘要：Problem Description: Problem Description: 哥德巴赫猜想大概是这么一回事：“偶数(>=4) == 两个质数的和”，至于是不是、成不成立，随它吧。 Input: 多组数据，每组一个偶数n(4<=n<=10^6) Input: Output: 若能分解则输出这两个阅读全文

posted @ 2018-06-25 18:38 霜雪千年阅读(473) 评论(0) 推荐(0)

ACM_小G的循环

摘要：小G的循环小G的循环 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 一回生，二回熟，三回就腻，小G用for,while循环用得太多了，累觉不爱。于是自阅读全文

posted @ 2018-06-25 12:14 霜雪千年阅读(127) 评论(0) 推荐(0)

ACM_三角形蛇形矩阵

摘要：三角形蛇形矩阵三角形蛇形矩阵 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 小铠觉得各类题型是要温故而知新的，所以他叫小发出一道类似做过的题。其实，一阅读全文

posted @ 2018-06-25 10:12 霜雪千年阅读(528) 评论(0) 推荐(0)

ACM_小Z的A+B

摘要：小Z的A+B 小Z的A+B Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 小Z最喜欢A+B了，没事就研究研究，比如什么大整数A+B（就是1000万万亿+ 阅读全文

posted @ 2018-06-24 22:37 霜雪千年阅读(131) 评论(0) 推荐(0)

ACM_整数反转

摘要：整数反转整数反转 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 给定一个32位int型的整数，把这个整数反着输出，如123，输出321。反转过程中有可阅读全文

posted @ 2018-06-24 14:58 霜雪千年阅读(242) 评论(0) 推荐(0)

ACM_Power Mouth

摘要：Power Mouth Power Mouth Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: Your task is to calculate the 阅读全文

posted @ 2018-06-24 13:42 霜雪千年阅读(208) 评论(0) 推荐(0)

ACM_一道耗时间的水题

摘要：一道耗时间的水题一道耗时间的水题 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: Do you know how to read the phone n 阅读全文

posted @ 2018-06-24 11:04 霜雪千年阅读(203) 评论(0) 推荐(0)

goj 小明滚出去？（求逆序数）

摘要：Problem Description: Problem Description: Input: 输入包含多组数据(EOF)，每组数据第一行是一个整数n(1<=n<=10^5)，第二行有n个整数(<=10^5); Input: Output: 对于每组数据，输出小明排序算法的交换次数。 Output 阅读全文

posted @ 2018-06-23 22:02 霜雪千年阅读(245) 评论(0) 推荐(0)

数组（二分查找）

摘要：数组数组 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 给一个数组a[n]，令s[i]为数组a中比a[i]大的数的个数。求数组s。 Problem D 阅读全文

posted @ 2018-06-23 10:40 霜雪千年阅读(202) 评论(0) 推荐(0)

ACM_名字的价值

摘要：名字的价值名字的价值 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 集训终于开始了，参加集训的人很多，也就有很多名字，集训组织者发现了一件很神奇的事情阅读全文

posted @ 2018-06-23 09:40 霜雪千年阅读(609) 评论(0) 推荐(0)

ACM_Exponentiation

摘要：Exponentiation Exponentiation Time Limit: 2000/1000ms (Java/Others) Problem Description: Problems involving the computation of exact values of very la 阅读全文

posted @ 2018-06-22 22:53 霜雪千年阅读(201) 评论(0) 推荐(0)

goj 买粽子（UVA唯一的雪花）

摘要：Problem Description: Problem Description: 端午节快到了，小蛋准备到集市上买粽子。于是周六这天，小蛋和舍友搭着公交到了西南市场。说来也怪，这天集市上就只有n个人在卖粽子，整齐地排成一列，而且第i（1<=i<=n）个人前面有Xi个粽子堆在一起。小蛋这人平时很大方阅读全文

posted @ 2018-06-22 21:03 霜雪千年阅读(212) 评论(0) 推荐(0)

八种排序算法模板

摘要：1 #include 2 #include 3 #include 4 using namespace std; 5 const int len = 20;//待排序数组元素的个数，下标从1开始 6 //1、冒泡排序 7 void Bubble_sort(int s[],int len){ 8 bool flag; 9 for(int i=1;i... 阅读全文

posted @ 2018-06-21 23:54 霜雪千年阅读(1194) 评论(0) 推荐(0)

ACM_写数字

摘要：写数字 Time Limit: 2000/1000ms (Java/Others) Problem Description: 把由1开始的自然数依次写下来：123456789101112……，重新分组，按四个数字为一组：1234，5678，9101，1121，3141，5161，…0348…，问第n 阅读全文

posted @ 2018-06-20 11:56 霜雪千年阅读(225) 评论(0) 推荐(0)

F - Micro-World（简单模拟）

摘要：Problem description You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have a 阅读全文

posted @ 2018-06-19 20:04 霜雪千年阅读(141) 评论(0) 推荐(0)

E - A Trivial Problem（求满足x！的尾数恰好有m个0的所有x）

摘要：Problem description Mr. Santa asks all the great programmers of the world to solve a trivial problem. He gives them an integer m and asks for the numb 阅读全文

posted @ 2018-06-19 07:07 霜雪千年阅读(168) 评论(0) 推荐(0)

D - Replacement

摘要：Problem description Little Petya very much likes arrays consisting of n integers, where each of them is in the range from 1 to 109, inclusive. Recentl 阅读全文

posted @ 2018-06-18 23:45 霜雪千年阅读(180) 评论(0) 推荐(0)

B - Sleuth

摘要：Problem description Vasya plays the sleuth with his friends. The rules of the game are as follows: those who play for the first time, that is Vasya is 阅读全文

posted @ 2018-06-18 23:28 霜雪千年阅读(223) 评论(0) 推荐(0)

U - Three displays

摘要：Problem description It is the middle of 2018 and Maria Stepanovna, who lives outside Krasnokamensk (a town in Zabaikalsky region), wants to rent three 阅读全文

posted @ 2018-06-18 23:10 霜雪千年阅读(153) 评论(0) 推荐(0)

S - New Year Transportation

摘要：Problem description New Year is coming in Line World! In this world, there are n cells numbered by integers from 1 to n, as a 1 × n board. People live 阅读全文

posted @ 2018-06-17 13:22 霜雪千年阅读(211) 评论(0) 推荐(0)

T - Amusing Joke（map）

摘要：Problem description So, the New Year holidays are over. Santa Claus and his colleagues can take a rest and have guests at last. When two "New Year and 阅读全文

posted @ 2018-06-17 11:30 霜雪千年阅读(248) 评论(0) 推荐(0)

X - Vasya and Socks

摘要：Problem description Vasya has n pairs of socks. In the morning of each day Vasya has to put on a pair of socks before he goes to school. When he comes 阅读全文

posted @ 2018-06-17 11:16 霜雪千年阅读(153) 评论(0) 推荐(0)

Y - Anton and Letters

摘要：Problem description Recently, Anton has found a set. The set consists of small English letters. Anton carefully wrote out all the letters from the set 阅读全文

posted @ 2018-06-17 11:03 霜雪千年阅读(117) 评论(0) 推荐(0)

D - Vanya and Fence

摘要：Problem description Vanya and his friends are walking along the fence of height h and they do not want the guard to notice them. In order to achieve t 阅读全文

posted @ 2018-06-17 10:21 霜雪千年阅读(119) 评论(0) 推荐(0)

C - Xenia and Ringroad

摘要：Problem description Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwi 阅读全文

posted @ 2018-06-17 10:04 霜雪千年阅读(203) 评论(0) 推荐(0)

B - Double Cola

摘要：Problem description Sheldon, Leonard, Penny, Rajesh and Howard are in the queue for a "Double Cola" drink vending machine; there are no other people i 阅读全文

posted @ 2018-06-17 08:45 霜雪千年阅读(188) 评论(0) 推荐(0)

A - Fox And Snake

摘要：Problem description Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so s 阅读全文

posted @ 2018-06-17 07:30 霜雪千年阅读(465) 评论(0) 推荐(0)

C - Haiku

摘要：Problem description Haiku is a genre of Japanese traditional poetry. A haiku poem consists of 17 syllables split into three phrases, containing 5, 7 a 阅读全文

posted @ 2018-06-14 00:08 霜雪千年阅读(312) 评论(0) 推荐(0)

B - Cows and Poker Game

摘要：Problem description There are n cows playing poker at a table. For the current betting phase, each player's status is either "ALLIN", "IN", or "FOLDED 阅读全文

posted @ 2018-06-13 23:57 霜雪千年阅读(305) 评论(0) 推荐(0)

R - Games

摘要：Problem description Manao works on a sports TV. He's spent much time watching the football games of some country. After a while he began to notice dif 阅读全文

posted @ 2018-06-13 21:26 霜雪千年阅读(359) 评论(0) 推荐(0)

C - New Year Candles

摘要：Problem description Vasily the Programmer loves romance, so this year he decided to illuminate his room with candles. Vasily has a candles.When Vasily 阅读全文

posted @ 2018-06-13 18:03 霜雪千年阅读(316) 评论(0) 推荐(0)

B - Is your horseshoe on the other hoof?

摘要：Problem description Valera the Horse is going to the party with friends. He has been following the fashion trends for a while, and he knows that it is 阅读全文

posted @ 2018-06-13 17:46 霜雪千年阅读(472) 评论(0) 推荐(0)

A - Pangram

摘要：Problem description A word or a sentence in some language is called a pangram if all the characters of the alphabet of this language appear in it at l 阅读全文

posted @ 2018-06-13 17:40 霜雪千年阅读(402) 评论(0) 推荐(0)

B - IQ test

摘要：Problem description Bob is preparing to pass IQ test. The most frequent task in this test is to find out which one of the given n numbers differs from 阅读全文

posted @ 2018-06-11 23:29 霜雪千年阅读(570) 评论(0) 推荐(0)

C - Anton and Danik

摘要：Problem description Anton likes to play chess, and so does his friend Danik. Once they have played n games in a row. For each game it's known who was 阅读全文

posted @ 2018-06-11 23:25 霜雪千年阅读(366) 评论(0) 推荐(0)

Design Tutorial: Learn from Math（哥德巴赫猜想）

摘要：Problem description One way to create a task is to learn from math. You can generate some random math statement or modify some theorems to get somethi 阅读全文

posted @ 2018-06-11 23:20 霜雪千年阅读(467) 评论(0) 推荐(0)

goj 来自不给标题的菜鸟出题组（巴什博弈+素数判定）

摘要：Problem Description: Problem Description: 大B和小b合作出一道程序设计月赛的题，他们的想法是给定一个N，输出与N相邻的一个素数，但就输出比N小的素数还是输出比N大的素数上，他们出现了分歧。大B觉得应该输出比N大的素数，小b觉得应该输出比N小的素数。于是他们决阅读全文

posted @ 2018-06-11 21:45 霜雪千年阅读(341) 评论(0) 推荐(0)

goj 城市交通线（简单并查集）

摘要：Problem Description: A国有n座城市，编号为1~n，这n个城市之间没有任何交通线路，所以不同城市的居民之间不能互通，所以A国的人打算为这n个城市建立k条交通线（两座城市之间可以有两条及以上的线路），交通线只能贯穿两座城市p, q（存在p=q的情况，不用考虑但会占用一条交通线）, 阅读全文

posted @ 2018-06-11 21:35 霜雪千年阅读(465) 评论(0) 推荐(0)

ACM_鸡兔同笼（二元一次方程）

摘要：鸡兔同笼鸡兔同笼 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 今有雉兔同笼，上有n头，下有m足，问雉兔各几何？ Problem Descriptio 阅读全文

posted @ 2018-06-11 21:19 霜雪千年阅读(745) 评论(0) 推荐(0)

ACM_魔仙岛探险（深搜）

摘要：魔仙岛探险魔仙岛探险 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 小敏通过秘密方法得到一张不完整的魔仙岛航拍地图。魔仙岛由一个主岛和一些附属岛屿组成阅读全文

posted @ 2018-06-11 21:05 霜雪千年阅读(389) 评论(0) 推荐(0)

ACM_螺旋填数

摘要：螺旋填数螺旋填数 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 一天，小明在研究蜗牛的壳时，对其螺旋状的花纹感到十分有趣。于是他回到了家中，画出了一个阅读全文

posted @ 2018-06-11 20:40 霜雪千年阅读(875) 评论(0) 推荐(0)

ACM_开心消消乐

摘要：开心消消乐开心消消乐 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 大白最近喜欢上了开心消消乐，于是英语基础好的他准备让课文中英语句子也来充当游戏的主阅读全文

posted @ 2018-06-11 13:16 霜雪千年阅读(1049) 评论(0) 推荐(0)

C - Gravity Flip

摘要：Problem description Little Chris is bored during his physics lessons (too easy), so he has built a toy box to keep himself occupied. The box is specia 阅读全文

posted @ 2018-06-10 07:56 霜雪千年阅读(158) 评论(0) 推荐(0)

B - Magnets

摘要：Problem description Mad scientist Mike entertains himself by arranging rows of dominoes. He doesn't need dominoes, though: he uses rectangular magnets 阅读全文

posted @ 2018-06-10 07:53 霜雪千年阅读(288) 评论(0) 推荐(0)

A - Word

摘要：Problem description Vasya is very upset that many people on the Net mix uppercase and lowercase letters in one word. That's why he decided to invent a 阅读全文

posted @ 2018-06-10 07:48 霜雪千年阅读(904) 评论(0) 推荐(0)

C - Arrival of the General

摘要：Problem description A Ministry for Defense sent a general to inspect the Super Secret Military Squad under the command of the Colonel SuperDuper. Havi 阅读全文

posted @ 2018-06-09 13:47 霜雪千年阅读(376) 评论(0) 推荐(0)

B - Ultra-Fast Mathematician

摘要：Problem description Shapur was an extremely gifted student. He was great at everything including Combinatorics, Algebra, Number Theory, Geometry, Calc 阅读全文

posted @ 2018-06-09 13:39 霜雪千年阅读(329) 评论(0) 推荐(0)

A - I Wanna Be the Guy

摘要：Problem description There is a game called "I Wanna Be the Guy", consisting of n levels. Little X and his friend Little Y are addicted to the game. Ea 阅读全文

posted @ 2018-06-09 13:34 霜雪千年阅读(458) 评论(0) 推荐(0)

O - Masha and Bears

摘要：Problem description A family consisting of father bear, mother bear and son bear owns three cars. Father bear can climb into the largest car and he li 阅读全文

posted @ 2018-06-09 00:34 霜雪千年阅读(217) 评论(0) 推荐(0)

E - Dividing Orange

摘要：Problem description One day Ms Swan bought an orange in a shop. The orange consisted of n·k segments, numbered with integers from 1 to n·k. There were 阅读全文

posted @ 2018-06-08 23:26 霜雪千年阅读(257) 评论(0) 推荐(0)

Dima and Lisa（哥德巴赫猜想）

摘要：Problem description Dima loves representing an odd number as the sum of multiple primes, and Lisa loves it when there are at most three primes. Help t 阅读全文

posted @ 2018-06-08 22:48 霜雪千年阅读(443) 评论(0) 推荐(0)

D - Knight Tournament（set）

摘要：Problem description Hooray! Berl II, the king of Berland is making a knight tournament. The king has already sent the message to all knights in the ki 阅读全文

posted @ 2018-06-08 20:48 霜雪千年阅读(318) 评论(0) 推荐(0)

C - Ilya and Sticks（贪心）

摘要：Problem description In the evening, after the contest Ilya was bored, and he really felt like maximizing. He remembered that he had a set of n sticks 阅读全文

posted @ 2018-06-08 20:01 霜雪千年阅读(398) 评论(0) 推荐(0)

B - Archer

摘要：Problem description SmallR is an archer. SmallR is taking a match of archer with Zanoes. They try to shoot in the target in turns, and SmallR shoots f 阅读全文

posted @ 2018-06-08 19:28 霜雪千年阅读(272) 评论(0) 推荐(0)

Vile Grasshoppers

摘要：Problem description The weather is fine today and hence it's high time to climb the nearby pine and enjoy the landscape. The pine's trunk includes sev 阅读全文

posted @ 2018-06-08 17:45 霜雪千年阅读(288) 评论(0) 推荐(0)

Game With Sticks

摘要：Problem description After winning gold and silver in IOI 2014, Akshat and Malvika want to have some fun. Now they are playing a game on a grid made of 阅读全文

posted @ 2018-06-08 17:16 霜雪千年阅读(278) 评论(0) 推荐(0)

B - Even Odds

摘要：Problem description Being a nonconformist, Volodya is displeased with the current state of things, particularly with the order of natural numbers (nat 阅读全文

posted @ 2018-06-08 17:09 霜雪千年阅读(253) 评论(0) 推荐(0)

A - Dubstep

摘要：Problem description Vasya works as a DJ in the best Berland nightclub, and he often uses dubstep music in his performance. Recently, he has decided to 阅读全文

posted @ 2018-06-08 16:38 霜雪千年阅读(303) 评论(0) 推荐(0)

C - Elephant（贪心）

摘要：Problem description An elephant decided to visit his friend. It turned out that the elephant's house is located at point 0 and his friend's house is l 阅读全文

posted @ 2018-06-07 12:36 霜雪千年阅读(350) 评论(0) 推荐(0)

B - Calculating Function

摘要：Problem description For a positive integer n let's define a function f: f(n) = - 1 + 2 - 3 + .. + ( - 1)nn Your task is to calculate f(n) for a given 阅读全文

posted @ 2018-06-07 12:30 霜雪千年阅读(208) 评论(0) 推荐(0)

A - Presents

摘要：Problem description Little Petya very much likes gifts. Recently he has received a new laptop as a New Year gift from his mother. He immediately decid 阅读全文

posted @ 2018-06-07 12:20 霜雪千年阅读(871) 评论(0) 推荐(0)

C - Oleg and shares

摘要：Problem description Oleg the bank client checks share prices every day. There are n share prices he is interested in. Today he observed that each seco 阅读全文

posted @ 2018-06-06 21:37 霜雪千年阅读(144) 评论(0) 推荐(0)

B - Mike and Cellphone（map）

摘要：Problem description While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he bought a cheap r 阅读全文

posted @ 2018-06-06 21:20 霜雪千年阅读(248) 评论(0) 推荐(0)

Game

摘要：Problem description There is a legend in the IT City college. A student that failed to answer all questions on the game theory exam is given one more 阅读全文

posted @ 2018-06-06 20:54 霜雪千年阅读(192) 评论(0) 推荐(0)

C - Insomnia cure

摘要：Problem description «One dragon. Two dragon. Three dragon», — the princess was counting. She had trouble falling asleep, and she got bored of counting 阅读全文

posted @ 2018-06-06 20:48 霜雪千年阅读(445) 评论(0) 推荐(0)

B - Expression

摘要：Problem description Petya studies in a school and he adores Maths. His class has been studying arithmetic expressions. On the last class the teacher w 阅读全文

posted @ 2018-06-06 20:33 霜雪千年阅读(251) 评论(0) 推荐(0)

A - Kefa and First Steps

摘要：Problem description Kefa decided to make some money doing business on the Internet for exactly n days. He knows that on the i-th day (1 ≤ i ≤ n) he ma 阅读全文

posted @ 2018-06-06 17:54 霜雪千年阅读(390) 评论(0) 推荐(0)

B - Guess a number!

摘要：Problem description A TV show called "Guess a number!" is gathering popularity. The whole Berland, the old and the young, are watching the show. The r 阅读全文

posted @ 2018-06-05 22:50 霜雪千年阅读(320) 评论(0) 推荐(0)

A - A Compatible Pair

摘要：Problem description Nian is a monster which lives deep in the oceans. Once a year, it shows up on the land, devouring livestock and even people. In or 阅读全文

posted @ 2018-06-05 21:11 霜雪千年阅读(379) 评论(0) 推荐(0)

C - Unary（map）

摘要：Problem description Unary is a minimalistic Brainfuck dialect in which programs are written using only one token. Brainfuck programs use 8 commands: " 阅读全文

posted @ 2018-06-05 20:23 霜雪千年阅读(442) 评论(0) 推荐(0)

C - Puzzles

摘要：Problem description The end of the school year is near and Ms. Manana, the teacher, will soon have to say goodbye to a yet another class. She decided 阅读全文

posted @ 2018-06-05 19:59 霜雪千年阅读(278) 评论(0) 推荐(0)

B - Beautiful Year

摘要：Problem description It seems like the year of 2013 came only yesterday. Do you know a curious fact? The year of 2013 is the first year after the old 1 阅读全文

posted @ 2018-06-05 19:42 霜雪千年阅读(393) 评论(0) 推荐(0)

A - Translation

摘要：Problem description The translation from the Berland language into the Birland language is not an easy task. Those languages are very similar: a berla 阅读全文

posted @ 2018-06-05 19:35 霜雪千年阅读(350) 评论(0) 推荐(0)

B - Letter（最小覆盖矩形）

摘要：Problem description A boy Bob likes to draw. Not long ago he bought a rectangular graph (checked) sheet with n rows and m columns. Bob shaded some of 阅读全文

posted @ 2018-06-04 23:56 霜雪千年阅读(300) 评论(0) 推荐(0)

C - Pocket Book（set）

摘要：Problem description One day little Vasya found mom's pocket book. The book had n names of her friends and unusually enough, each name was exactly m le 阅读全文

posted @ 2018-06-04 23:41 霜雪千年阅读(353) 评论(0) 推荐(0)

C - Queue at the School

摘要：Problem description During the break the schoolchildren, boys and girls, formed a queue of n people in the canteen. Initially the children stood in th 阅读全文

posted @ 2018-06-04 23:12 霜雪千年阅读(411) 评论(0) 推荐(0)

B - Nearly Lucky Number

摘要：Problem description Petya loves lucky numbers. We all know that lucky numbers are the positive integers whose decimal representations contain only the 阅读全文

posted @ 2018-06-04 22:44 霜雪千年阅读(442) 评论(0) 推荐(0)

A - George and Accommodation

摘要：Problem description George has recently entered the BSUCP (Berland State University for Cool Programmers). George has a friend Alex who has also enter 阅读全文

posted @ 2018-06-04 22:31 霜雪千年阅读(220) 评论(0) 推荐(0)

ACM_支离破碎（递推dp）

摘要：支离破碎支离破碎 Time Limit: 4000/2000ms (Java/Others) Time Limit: 4000/2000ms (Java/Others) Problem Description: 远古时期有一位魔王想向一座宫殿里的公主求婚。为了考验魔王的智力，太后给了他这样一道题：阅读全文

posted @ 2018-06-03 15:52 霜雪千年阅读(177) 评论(0) 推荐(0)

A - Boy or Girl（set）

摘要：Problem description Those days, many boys use beautiful girls' photos as avatars in forums. So it is pretty hard to tell the gender of a user at the f 阅读全文

posted @ 2018-06-03 13:10 霜雪千年阅读(707) 评论(0) 推荐(0)

B - Soldier and Bananas

摘要：Problem description A soldier wants to buy w bananas in the shop. He has to pay k dollars for the first banana, 2k dollars for the second one and so o 阅读全文

posted @ 2018-06-03 12:53 霜雪千年阅读(193) 评论(0) 推荐(0)

C - Young Physicist

摘要：Problem description A guy named Vasya attends the final grade of a high school. One day Vasya decided to watch a match of his favorite hockey team. An 阅读全文

posted @ 2018-06-03 12:48 霜雪千年阅读(527) 评论(0) 推荐(0)

A - Antipalindrome

摘要：Problem description A string is a palindrome if it reads the same from the left to the right and from the right to the left. For example, the strings 阅读全文

posted @ 2018-06-03 12:16 霜雪千年阅读(431) 评论(0) 推荐(0)

B - Spyke Talks

摘要：Problem description Polycarpus is the director of a large corporation. There are n secretaries working for the corporation, each of them corresponds v 阅读全文

posted @ 2018-06-03 11:54 霜雪千年阅读(236) 评论(0) 推荐(0)

C - Valera and Fruits

摘要：Problem description Valera loves his garden, where n fruit trees grow. This year he will enjoy a great harvest! On the i-th tree bi fruit grow, they w 阅读全文

posted @ 2018-06-03 11:17 霜雪千年阅读(303) 评论(0) 推荐(0)

C - Twins（贪心）

摘要：Problem description Imagine that you have a twin brother or sister. Having another person that looks exactly like you seems very unusual. It's hard to 阅读全文

posted @ 2018-06-02 13:21 霜雪千年阅读(365) 评论(0) 推荐(0)

B - Lucky Division

摘要：Problem description Petya loves lucky numbers. Everybody knows that lucky numbers are positive integers whose decimal representation contains only the 阅读全文

posted @ 2018-06-02 13:03 霜雪千年阅读(471) 评论(0) 推荐(0)

A - HQ9+

摘要：Problem description HQ9+ is a joke programming language which has only four one-character instructions: "H" prints "Hello, World!", "Q" prints the sou 阅读全文

posted @ 2018-06-02 12:52 霜雪千年阅读(410) 评论(0) 推荐(0)

A - Diverse Team

摘要：Problem description There are n students in a school class, the rating of the i-th student on Codehorses is ai. You have to form a team consisting of 阅读全文

posted @ 2018-06-02 11:53 霜雪千年阅读(429) 评论(0) 推荐(0)

B - Substrings Sort

摘要：Problem description You are given nn strings. Each string consists of lowercase English letters. Rearrange (reorder) the given strings in such a way t 阅读全文

posted @ 2018-06-02 11:29 霜雪千年阅读(687) 评论(0) 推荐(0)

C - Alice, Bob and Chocolate（贪心）

摘要：Problem description Alice and Bob like games. And now they are ready to start a new game. They have placed n chocolate bars in a line. Alice starts to 阅读全文

posted @ 2018-06-02 11:00 霜雪千年阅读(713) 评论(0) 推荐(0)

牛客练习赛19 -E-托米的饮料

摘要：题目描述好了，现在是小托米的故事啦~~~ 可爱的小托米得到了n瓶饮料. 但他不小心把开盖的工具弄丢了,所以他只能利用饮料瓶来开盖. 已知第i个瓶子的品牌为ai,且其能打开bi品牌的瓶子. 问有几瓶饮料托米无法喝到. 被用于打开饮料瓶的瓶子不一定需要被打开. 一个瓶子不能打开其本身. 输入描述: 第阅读全文

posted @ 2018-06-01 21:30 霜雪千年阅读(329) 评论(0) 推荐(1)

Lucky Numbers (easy)

摘要：Problem description Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits 阅读全文

posted @ 2018-06-01 19:49 霜雪千年阅读(1829) 评论(0) 推荐(0)

A - Voting（queue）

摘要：Problem description There are n employees in Alternative Cake Manufacturing (ACM). They are now voting on some very important question and the leading 阅读全文

posted @ 2018-06-01 19:19 霜雪千年阅读(235) 评论(0) 推荐(0)

C - cAPS lOCK

摘要：Problem description wHAT DO WE NEED cAPS LOCK FOR? Caps lock is a computer keyboard key. Pressing it sets an input mode in which typed letters are cap 阅读全文

posted @ 2018-06-01 18:55 霜雪千年阅读(415) 评论(0) 推荐(0)

B - Chat room

摘要：Problem description Vasya has recently learned to type and log on to the Internet. He immediately entered a chat room and decided to say hello to ever 阅读全文

posted @ 2018-06-01 18:46 霜雪千年阅读(436) 评论(0) 推荐(0)

A - Beautiful Matrix

摘要：Problem description You've got a 5 × 5 matrix, consisting of 24 zeroes and a single number one. Let's index the matrix rows by numbers from 1 to 5 fro 阅读全文

posted @ 2018-06-01 18:40 霜雪千年阅读(515) 评论(0) 推荐(0)

霜雪千年

A thousand miles begins with a single step.

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