07 2017 档案
摘要：In a highly developed alien society, the habitats are almost infinite dimensional space. In the history of this planet,there is an old puzzle. You hav
阅读全文
摘要：Ivan is fond of collecting. Unlike other people who collect post stamps, coins or other material stuff, he collects software bugs. When Ivan gets a ne
阅读全文
摘要：湫湫减肥 越减越肥！ 最近，减肥失败的湫湫为发泄心中郁闷，在玩一个消灭免子的游戏。 游戏规则很简单，用箭杀死免子即可。 箭是一种消耗品，已知有M种不同类型的箭可以选择，并且每种箭都会对兔子造成伤害，对应的伤害值分别为Di（1 <= i <= M），每种箭需要一定的QQ币购买。 假设每种箭只能使用一次
阅读全文
摘要：题目链接：http://codeforces.com/problemset/problem/628/B 解题思路： 一个数最后两位数能被4整除那么这个数就能被4整除，而且题目还是连续的子序列，这就很简单了 实现代码：
阅读全文
摘要：A. Anton and Polyhedrons 题目链接：http://codeforces.com/contest/785/problem/A 智障水题 实现代码： B. Anton and Classes 链接：http://codeforces.com/contest/785/problem
阅读全文
摘要：You have been out of Syria for a long time, and you recently decided to come back. You remember that you have M friends there and since you are a gene
阅读全文
摘要：A sequence of positive and non-zero integers called palindromic if it can be read the same forward and backward, for example: 15 2 6 4 6 2 15 20 3 1 1
阅读全文
摘要：A:链接：http://codeforces.com/contest/825/problem/A 解题思路： 一开始以为是个进制转换后面发现是我想多了，就是统计有多少个1然后碰到0输出就行，没看清题意。。 实现代码： B.Five-In-a-Row 链接：http://codeforces.com/
阅读全文
摘要：A:链接：http://codeforces.com/contest/831/problem/A 解题思路： 从前往后分别统计递增，相等，递减序列的长度，如果最后长度和原序列长度相等那么就输出yes； 实现代码： B:链接：http://codeforces.com/contest/831/prob
阅读全文
摘要：A.题目链接：http://codeforces.com/contest/828/problem/A 解题思路： 直接暴力模拟 B.题目链接：http://codeforces.com/contest/828/problem/B 思路： 暴力 C.题目链接：http://codeforces.com
阅读全文
摘要：For 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 Ultim
阅读全文
摘要：The WHU ACM Team has a big cup, with which every member drinks water. Now, we know the volume of the water in the cup, can you tell us it height? The
阅读全文
摘要：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 c
阅读全文
摘要：题目链接：http://codeforces.com/contest/612/problem/C 解题思路： 题意就是要求判断这个序列是否为RBS，每个开都要有一个和它对应的关，如：<()>满足条件,但<(>)就不满足条件，反正直接就是用栈做就行了，完美符合题目要求。
阅读全文
摘要：题目链接：http://codeforces.com/problemset/problem/612/B 解题思路： 一开始看错了题意，他要求的是从1-n所耗费的时间，n表示的是数值而不是下标， 实现代码：
阅读全文
摘要：题目链接：http://codeforces.com/contest/611/problem/C 解题思路： 分别对矩阵横竖遍历，满足条件则加1，不满足则不变，先将整个矩阵都标记完，然后只要输出起点和终点数值的差值就行。有点动态规划的感觉。
阅读全文
摘要：There are N jobs to be finished. It takes a robot 1 hour to finish one job. At the beginning you have only one robot. Luckily a robot may build more r
阅读全文
摘要：You have just moved from Waterloo to a big city. The people here speak an incomprehensible dialect of a foreign language. Fortunately, you have a dict
阅读全文
摘要：题目链接：http://codeforces.com/problemset/problem/611/B 解题思路： 直接暴力推出所有符合条件的。 由进制转换可以知道，二进制只有1个0也就是十进制减去前面任意一个2的次方 然后脑残一样的用了位运算，死都无法表示64位，只能32位，还以为电脑出问题了。。
阅读全文
摘要：题目链接：http://codeforces.com/contest/610/problem/C 解题思路： 将后一个矩阵拆分为四个前一状态矩阵，其中三个与前一状态相同，剩下一个直接取反就行。还有很多种取法，这种比较方便就是。 实现代码：
阅读全文
摘要：B. Vika and Squares time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output B. Vika and Squares
阅读全文
摘要：C. Load Balancing time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Load Balancing time
阅读全文
摘要：给定一个m × n (m行, n列)的迷宫，迷宫中有两个位置，gloria想从迷宫的一个位置走到另外一个位置，当然迷宫中有些地方是空地，gloria可以穿越，有些地方是障碍，她必须绕行，从迷宫的一个位置，只能走到与它相邻的4个位置中,当然在行走过程中，gloria不能走到迷宫外面去。令人头痛的是，g
阅读全文
摘要：B. Arpa’s obvious problem and Mehrdad’s terrible solution time limit per test 1 second memory limit per test 256 megabytes input standard input output
阅读全文
摘要：Alyona's mother wants to present an array of n non-negative integers to Alyona. The array should be special. Alyona is a capricious girl so after she
阅读全文
摘要：C. Dasha and Password time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Dasha and Passw
阅读全文
摘要：C. Tennis Championship time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Famous Brazil cit
阅读全文
摘要：Solve the equation:p ∗ e ^−x + q ∗ sin(x) + r ∗ cos(x) + s ∗ tan(x) + t ∗ x ^2 + u = 02 + u = 0where 0 ≤ x ≤ 1.InputInput consists of multiple test ca
阅读全文
摘要：A palindrome is a word, number, or phrase that reads the same forwards as backwards. For example,the name “anna” is a palindrome. Numbers can also be
阅读全文
摘要：It has been said that a watch that is stopped keeps better time than one that loses 1 second per day.The one that is stopped reads the correct time tw
阅读全文
摘要：Problem Description JGShining's kingdom consists of 2n(n is no more than 500,000) small cities which are located in two parallel lines.Half of these c
阅读全文
浙公网安备 33010602011771号