一二三 你弟弟刚刚学会写英语的一(one).二(two)和三(three).他在纸上写了好些一二三,可惜有些字母写错了.已知每个单词最多有一个字母写错了(单词长度肯定不会错),你能认出他写的啥吗? 输入 第一行为单词的个数(不超过10).以下每行为一个单词,单词长度正确,且最多有一个字母写错.所有字母都是小写的. 输出 对于每组测试数据,输出一行,即该单词的阿拉伯数字.输入保证只有一种理解方式. 样例输入 3 owe too theee 样例输出 1 2 3 分析:此题就是一一对比字符串的符合,…

盒子游戏 有两个相同的盒子,其中一个装了n个球,另一个装了一个球.Alice和Bob发明了一个游戏,规则如下:Alice和Bob轮流操作,Alice先操作.每次操作时,游戏者先看看哪个盒子里的球的数目比较少,然后清空这个盒子(盒子里的球直接扔掉),然后把另一个盒子里的球拿一些到这个盒子中,使得两个盒子都至少有一个球.如果一个游戏者无法进行操作,他(她)就输了.下图是一个典型的游戏: 面对两个各装一个球的盒子,Bob无法继续操作,因此Alice获胜.你的任务是找出谁会获胜.假定两人都很聪明,总是采…

Problem A Almost Palindrome Given a line of text, find the longest almost-palindrome substring. A string S is almost-palindrome if S begins and ends with a letter, and a(S) and b(S) have at most 2k positions with different characters Here a(S) is the…

Problem F Funny Car Racing There is a funny car racing in a city with n junctions and m directed roads. The funny part is: each road is open and closed periodically. Each road is associate with two integers (a, b), that means the road will be open fo…

Problem H High bridge, low bridge Q: There are one high bridge and one low bridge across the river. The river has flooded twice, why the high bridge is flooded twice but the low bridge is flooded only once? A: Because the lower bridge is so low that…

Problem I Interesting Calculator There is an interesting calculator. It has 3 rows of button. Row 1: button 0, 1, 2, 3, ..., 9. Pressing each button appends that digit to the end of the display. Row 2: button +0, +1, +2, +3, ..., +9. Pressing each bu…

Problem J Joking with Fermat's Last Theorem Fermat's Last Theorem: no three positive integers a, b, and c can satisfy the equation an + bn = cn for any integer value of n greater than two. From the theorem, we know that a3 + b3 = c3 has no positive i…

Problem G Good Teacher I want to be a good teacher, so at least I need to remember all the student names. However, there are too many students, so I failed. It is a shame, so I don't want my students to know this. Whenever I need to call someone, I c…

Problem L Last Blood In many programming contests, special prizes are given to teams who solved a particular problem first. We call the first accepted solution "First Blood". It's an interesting idea to set prizes for "Last Blood". The…

Problem C Character Recognition? Write a program that recognizes characters. Don't worry, because you only need to recognize three digits: 1, 2 and 3. Here they are: .*. *** *** .*. ..* ..* .*. *** *** .*. *.. ..* .*. *** *** Input The input contains…

Secrete Master Plan Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 429    Accepted Submission(s): 244 Problem Description Master Mind KongMing gave Fei Zhang a secrete master plan stashed in a…

http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5503 The 12th Zhejiang Provincial Collegiate Programming Contest - K Capture the Flag Time Limit: 2 Seconds      Memory Limit: 65536 KB      Special Judge In computer security, Capture…

http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5494 The 12th Zhejiang Provincial Collegiate Programming Contest - B Team Formation Time Limit: 3 Seconds      Memory Limit: 131072 KB For an upcoming programming contest, Edward, the…

http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5496 The 12th Zhejiang Provincial Collegiate Programming Contest - D Beauty of Array Time Limit: 2 Seconds      Memory Limit: 65536 KB Edward has an array A with N integers. He defines…

http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5499 The 12th Zhejiang Provincial Collegiate Programming Contest - G Lunch Time Time Limit: 2 Seconds      Memory Limit: 65536 KB The 999th Zhejiang Provincial Collegiate Programming C…

http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5502  The 12th Zhejiang Provincial Collegiate Programming Contest - J Convert QWERTY to Dvorak Time Limit: 2 Seconds      Memory Limit: 65536 KB Edward, a poor copy typist, is a user o…

http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5500 The 12th Zhejiang Provincial Collegiate Programming Contest - H May Day Holiday Time Limit: 2 Seconds      Memory Limit: 65536 KB As a university advocating self-learning and work…

http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5504  The 12th Zhejiang Provincial Collegiate Programming Contest - L Demacia of the Ancients Time Limit: 2 Seconds      Memory Limit: 65536 KB There is a popular multiplayer online ba…

http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5493 The 12th Zhejiang Provincial Collegiate Programming Contest - A Ace of Aces Time Limit: 2 Seconds      Memory Limit: 65536 KB There is a mysterious organization called Time-Space…

2016 Hunan Province Programming Contest A. 2016 题意 \(1 \le a \le n, 1 \le b \le m\) ,其中\(1 \le n,m \le 10^9\) 求正整数\((a,b)\)对的数量,满足\(ab \% 2016 = 0\) 思路 \(2016=2^53^27\) 根据\(a\)对因子的贡献对\(a\)分类,每种方案数对应\(b\)的数量,即\[\lfloor \frac{m}{\frac{2016}{a}} \rfloor…

Game Rooms Time Limit: 4000/4000MS (Java/Others)     Memory Limit: 65535/65535KB (Java/Others) Submit Status Your company has just constructed a new skyscraper, but you just noticed a terrible problem: there is only space to put one game room on each…

E. Arrange Teams time limit per test:2 seconds memory limit per test:64 megabytes input:standard input output:standard output Syrian Collegiate Programming Contest (SCPC) is the qualified round for the Arab Collegiate Programming Contest. Each year S…

A. Airport Coffee 设$f_i$表示考虑前$i$个咖啡厅,且在$i$处买咖啡的最小时间,通过单调队列优化转移. 时间复杂度$O(n)$. #include<cstdio> const int N=500010; typedef long long ll; const double inf=1e20; ll L,A,B,T,R,lim0,lim1,a[N]; double f[N],val[N]; double dp0=inf; int id0; int pre[N]; int…

题目链接: G - Galactic Collegiate Programming Contest Kattis - gcpc 题目大意:当前有n个人,一共有m次提交记录,每一次的提交包括两个数,st和ed.st代表当前人的编号,ed代表总的耗费的时间,每一次提交代表这个人AC了一道题.具体的排名顺序就是先按照题目数量和提交的时间来拍的,然后每一次提交后问你当当前编号为1的人排名是多少. 具体思路:我们把人分为两类,第一类 编号为1的人.第二类,排名大于1的人.每一次当一个人进来的时候,如果这个…

2018 ACM-ICPC, Syrian Collegiate Programming Contest A Hello SCPC 2018! 水题 B Binary Hamming 水题 C Portals 思路:并查集维护连通性 代码: //#pragma GCC optimize(3) //#pragma comment(linker, "/STACK:102400000,102400000") //c++ // #pragma GCC diagnostic error &quo…

2018 German Collegiate Programming Contest (GCPC 18) Attack on Alpha-Zet 建树,求lca 代码: #include <algorithm> #include <iterator> #include <iostream> #include <cstring> #include <cstdlib> #include <iomanip> #include <bit…

Floor Function Time Limit: 10 Seconds      Memory Limit: 65536 KB a, b, c and d are all positive integers which satisfy bc - ad > 0. Your task is to minimize the following function of a positive integer n. ⌊x⌋, the floor function, means the largest i…

A - Airport Coffee 留坑. B - Best Relay Team 枚举首棒 #include <bits/stdc++.h> using namespace std; #define N 510 #define INF 0x3f3f3f3f struct node { string name; double v1, v2; inline void scan() { cin >> name >> v1 >> v2; } inline boo…

ACM International Collegiate Programming Contest World Finals 2014 A - Baggage 题目描述:有\(2n\)个字符摆在编号为\(1\)~\(2n\)格子里,奇数位为\(B\),偶数位为\(A\),另外编号为\((-2n+1)\)~\(0\)的格子是空的,现在可以移动两个相邻的字符,移动到两个空的格子里,最终使得全部\(A\)在全部\(B\)的左边,而且字符都是连续的,但不必放回原位,输出最小步数的方案. solution…

ACM International Collegiate Programming Contest World Finals 2013 A - Self-Assembly 题目描述:给出\(n\)个正方形组件,正方形每条边有一个标签,标签可能是00,表示这条边不能与其它边相拼,也可能是一个字母加正号或负号,相同字母不同符号的边可以相拼.每个组件有无限个,问利用这些组件是否能拼出一个无限大的多边形. solution 拆点,每个正方形拆成\(4\)个点,每条边一个,然后每条边拆成两个点(出点和入点)…