[postfix] Forum Topics

postfix and prefix increment or decrement operators very very confusing for me i try my best but i can not understand the basic different between them plz help me i know The prefix form first performs the increment operation and then returns the value of the increment operation. The postfix …

#include <iostream> #include <cstdlib> #include <cstring> #include <cstdio> #define size 400 using namespace std; char infix[size],postfix[size],Stack[size]; int top; int precedence(char ch) { switch(ch) { case '^':return 5; case '/':return 4; case '*':return 4; case '+':return 3; case '-':return 3; default:return 0; } } char Pop() { char ret; if(top!=-1) { …

So i believe i got my prefix working, now i'm trying to get my postfix working so that the class object happy should have its day increased by 1. Not sure whats wrong. Maybe the way it receives the month and day in the constructor? main #include <iostream> #include <string> …

Hi I am trying to run the post fix and pre fix operation in C++. The code which I tried is given below. #include <iostream> using namespace std; int main() { int a =0; cout << ++a + ++a + ++a << endl; // 7 a =0; cout << ++a …

The o/p is 10. But shouldn't it be 9? Is it got anything to do with Postfix or variable scoping has a role to play?

I have an integer called: int pID = 0; Inside my while loop I'm using pID++; to increment it. Sometimes the pID doesn't get incremented and sometimes it will. My sample output would be. 0 1 2 2 2 3 4 5 5 6 7 Does anyone have an idea …

So basically I need to find a way to evaluate an infix that's been converted into a postfix. The code below takes an entered infix and converts it into a postfix but I don't know how to take that postfix and evaluate it. Every single tutorial I've seen evaluates a …

The question I'm trying to answer is: Write an object oriented C++ program to translate an infix expression to postfix. I have done much of it but after I debug the only output is "Postfix:" and I cannot figure out why. This is my code so far: #include <iostream> #include …

I have been fighting with my server for days. I am trying to get postfix configured. I have it currently so that it can send mail, but receiving mail is a different story. This is my main.cf file: [ICODE] # Please be sure to read the /usr/share/doc/postfix/README.MDK file # to …