勇哥哥的ACM探险

Printer Queue Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 3266   Accepted: 1777 Description The only printer in the computer science students' union is exp

Problem code: ONP Transform the algebraic expression with brackets into RPN form (Reverse Polish Notation). Two-argument operators: +, -, *, /, ^ (priority from the lowest to the highest), brackets

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