利用栈实现算术表达式求值(Java语言描述) 算术表达式求值是栈的典型应用,自己写栈,实现Java栈算术表达式求值,涉及栈,编译原理方面的知识.声明:部分代码参考自茫茫大海的专栏. 链栈的实现: package 算数表达式求值; public class Stack<T> { //节点类 public class Node{ public T data; public Node next; public Node(){} public Node(T data,Node next){ this.…
总时间限制: 1000ms 内存限制: 65536kB 描述 The objective of the program you are going to produce is to evaluate boolean expressions as the one shown next: Expression:( V | V ) & F & ( F | V ) where V is for True, and F is for False. The expressions may incl…
Description The objective of the program you are going to produce is to evaluate boolean expressions as the one shown next: Expression: ( V | V ) & F & ( F | V )where V is for True, and F is for False. The expressions may include the following ope…
#include<cstdio> const int maxn=100 +10; int val[maxn],vtop; int op[maxn],otop; void insert(int b) { while(otop &&op[otop-1]==3) { b=!b; --otop; } val[vtop++]=b; } void calc(void) { int b=val[--vtop]; int a=val[--vtop]; int opr=op[--otop]; i…