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Problem I Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 9733    Accepted Submission(s): 3539 Problem Description As the new term

Description       You are given a string consisting of parentheses () and []. A string of this type is said to be correct: (a)if it is the empty string(b)if A and B are correct, AB is corre

A social research organization has determined a simple set of parameters to simulate the behavior of the political parties of our country. One of the parameters is a positive integer h (called the

Vladimir worked for years making matrioshkas, those nesting dolls that certainly represent truly Russian craft. A matrioshka is a doll that may be opened in two halves, so that one finds another doll

Suppose you have to evaluate an expression like A*B*C*D*E where A,B,C,D and E are matrices. Since matrix multiplication is associative, the order in which multiplications are performed is arbitrary. H

Arithmetic expressions are usually written with the operators in between the two operands (which is called infix notation). For example,(x+y)*(z-w) is an arithmetic expression in infix notation. Howev

Description  Matrix Chain Multiplication  Suppose you have to evaluate an expression like A*B*C*D*E where A,B,C,D and E are matrices. Since matrix multiplication is associative

Description 2007/2008 ACM International Collegiate Programming Contest  University of Ulm Local Contest Problem E: Expressions Arithmetic expressions are usually written with the operato

Description  ``Accordian'' Patience  You are to simulate the playing of games of ``Accordian'' patience, the rules for which are as follows: Deal cards one by one in a r

Description   Parentheses Balance  You are given a string consisting of parentheses () and []. A string of this type is said to be correct: (a)if it is the empty string(b)

Queues and Priority Queues are data structures which are known to most computer scientists. The Team Queue, however, is not so well known, though it occurs often in everyday life. At lunch time the qu

#include #include #include #include using namespace std; int isopra(char ch);//判断是不是运算符。 int priority(char ch);//判断优先权。 void trans(char *in,char *out);//将字符串转换成后辍学表达式。 int compute(char *chb);//计算 int

In a serious attempt to downsize (reduce) the dole queue, The New National Green Labour Rhinoceros Party has decided on the following strategy. Every day all dole applicants will be placed in a large