Known Notation Time Limit: 2 Seconds Memory Limit: 65536 KB Do you know reverse Polish notation (RPN)? It is a known notation in the area of mathematics and computer science. It is also known as postfix notation since every operator in an expres…
http://acm.zju.edu.cn/onlinejudge/showContestProblems.do?contestId=358 The 2014 ACM-ICPC Asia Mudanjiang Regional Contest 136 - The 2014 ACM-ICPC Asia Mudanjiang Regional Contest Solved ID Title Ratio (AC/All) Yes A Average Score 61.78% (456/738) Yes…
Description Do you know reverse Polish notation (RPN)? It is a known notation in the area of mathematics and computer science. It is also known as postfix notation since every operator in an expression follows all of its operands. Bob is a student in…
主题链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do? problemId=5383 Known Notation Time Limit: 2 Seconds Memory Limit: 65536 KB Do you know reverse Polish notation (RPN)? It is a known notation in the area of mathematics and computer science.…
Domination Time Limit: 8 Seconds Memory Limit: 131072 KB Special Judge Edward is the headmaster of Marjar University. He is enthusiastic about chess and often plays chess with his friends. What's more, he bought a large decorative chessboar…
Domination Time Limit: 8 Seconds Memory Limit: 131072 KB Special Judge Edward is the headmaster of Marjar University. He is enthusiastic about chess and often plays chess with his friends. What's more, he bought a large decorative chessboar…
Hierarchical Notation Time Limit: 2 Seconds Memory Limit: 131072 KB In Marjar University, students in College of Computer Science will learn EON (Edward Object Notation), which is a hierarchical data format that uses human-readable text to trans…
Description Edward is the headmaster of Marjar University. He is enthusiastic about chess and often plays chess with his friends. What's more, he bought a large decorative chessboard with N rows and M columns. Every day after work, Edward will place…
Untrusted Patrol Time Limit: 3 Seconds Memory Limit: 65536 KB Edward is a rich man. He owns a large factory for health drink production. As a matter of course, there is a large warehouse…
首先赞一下题目, 好题 题意: Marjar University has decided to upgrade the infrastructure of school intranet by using fiber-optic technology. There are N buildings in the school. Each building will be installed with one router. These routers are connected by optic…
Domination Time Limit: 8 Seconds Memory Limit: 131072 KB Special Judge Edward is the headmaster of Marjar University. He is enthusiastic about chess and often plays chess with his friends. What's more, he bought a large decorative chessboar…
题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=5373 题目意思: 有两个class:A 和 B,Bob 在 Class A 里面.现在给出 Class A(n-1人) 和 Class B(m人) 所有人的分数,除了Bob,所以Class A 少了一个人.现在需要找出 Bob 最大可能的分数和最少可能的分数,使得他在Class A 里面拉低平均分,而在Class B 里面提高平均分. 由于数据量不大,所以可以暴力枚…
I - Information Entropy Time Limit:2000MS Memory Limit:65536KB 64bit IO Format:%lld & %llu Submit Status Description Information Theory is one of the most popular courses in Marjar University. In this course, there is an important chapter abo…
题目链接 题意: 给一个n*m的矩阵,每天随机的在未放棋子的格子上放一个棋子.求每行至少有一个棋子,每列至少有一个棋子的天数的期望 (1 <= N, M <= 50). 分析: 比較明显的概率DP,难点在于怎样设计状态.覆盖了多少行和列是不可缺少的,之后比較关键的就是想到还有一个属性:多少个交叉点(即放过的点) double dp[55][55][2550]; bool vis[55][55][2550]; int tot; int n, m; inline double getp(int…
题目大意:给出一列取样的几个山的高度点,求山峰有几个? Sample Input 291 3 2 4 6 3 2 3 151 2 3 4 5Sample Output 30 # include <iostream> # include <cstdio> # include <cstring> # include <algorithm> # include <cmath> # define LL long long using namespace…
A Average Score http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=5373 a班有n个人,b班有m个人,bob在a班,现在知道除了bob以外的所有人的成绩,还知道bob如果从a班转到b班,两个班的平均成绩都会提高,问bob合法的成绩区间. 解法,求一下两个班的平均成绩,bob的成绩肯定要比a班的小,比b班的大. #include<cstdio> int main(){ int t,n,m,x,sa,sb; w…
