We have given an Arithmetic Expression and we have to write a program that converts the infix to postfix using stack in C. The Expression will be given in the form of a string, where alphabetic characters i.e a-
#include<stack> #include<iostream> #include<string> usingnamespacestd; //优先级判断 charcompare(charopt,charsi) { if((opt=='+'||opt=='-')&&(si=='*'||si=='/') return'<'; elseif(opt=='#') return'<'; return'>'; }
using std::endl; using std::string; char InfixToPostfix(char infix[]); struct node{ char value; struct node *link; }; node *top; class stackAlgo{ private: int counter; public: node *pushStack(node*, char); node *popStack(node*); char...
Data Structure Stack: Infix to Postfix 1#include <iostream>2#include <vector>3#include <algorithm>4#include <queue>5#include <stack>6#include <string>7#include <fstream>8#include 9#include <set>10usingnamespacestd;1112boolisoprand(charx) {13returnx >='A'&& x <='Z'|| x >='a'&&...
postfix[j++] = pop(&stack); }postfix[j] = '\0'; }int main() { char infix[MAX], postfix[MAX];printf("Enter infix expression: "); scanf("%s", infix);infixToPostfix(infix, postfix);printf("Postfix: %s\n", postfix);return 0; ...
stack_problems / infix_to_postfix.cpp infix_to_postfix.cpp4.86 KB 一键复制编辑原始数据按行查看历史 mandliya提交于10年前.Day-37: Infix to postfix converter /** * Given an infix expression, convert it to postfix. Consider usual operator precedence. ...
isdigit(C))); } string inToPost(string in){ stack<char> s1; string postfix; in = '(' + in + ')'; int size = in.size(); for(int i = 0; i <size; i++) { if(isalnum(in[i])||isdigit(in[i])) { postfix= postfix + in[i]; } else if(in[i]=='('){ s1.push('(...
Hi Write a program write a program called " infix.cpp ", that uses a stack to convert a postfix expression to the corresponding fully-parenthesized infix expression. Consider the following example...
I have written a C++ program to convert an infix expression to postfix expression using recursion. I would like to know if it can be improved if possible. Can we improve it by not usingastack? I am using avectorvector<char>as a stack here. ...
//infix to postfix #include<iostream> #include<vector> usingnamespacestd; structNode { chardata; Node* next; }; classLinkStack { public: LinkStack() { top =newNode; top = NULL; } ~LinkStack() { deletetop; } voidpush(charitem); ...