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3 processes run this task. When process A runs wait(), does process A blocked until both B and C run wait() and semaphore becomes zero ?

Hi, i'm wondering the bahaviour of the following code fragment. Assume that, firstly process A will invoke wait(), then B, and then C.


semaphore s=3;

while(1)
{

s.wait();

Hello, i need to write such a code that, three processes will run concurrently, namely all 3 of them should be at the same region at the same time.

The task looks like something like that:
Task...

I'm using cout to print lots of lines. But i want to put together them in one variable etc. Then , i want to print it.
I think i can do it with ostream but I cant do it . Is there anybody to give...

template<class T>
class Convert
{
T data;
public:
Convert(const T& tData = T()) : data(tData)
{ }

template<class C>
bool IsEqualTo( const C& other ) const

I have the below main .


int main(void)
{
try{
Product p1("makarna", "gida", 1,9 );
Product p2("peynir", "gida", 3,4 );
Product p3("peynir", "gida", 3,10 );
Product p4("cif",...

this is my header file

#ifndef HW1_H
#define HW1_H
#include <iostream>
#include <string>
#include <vector>

using namespace std;

i spend one hour for it . But i forgot a small point :( i found thanks to God. I forgot including Product class. After including, it worked. Thanks for your interest

Product Store::getProduct(int index)
{
int indexim=0;
vector<Product>::iterator it;

for ( it=(this->availableProducts.begin()) ; it < (this->availableProducts.end()); it++,indexim++ )
{...

This is the header and it's forbidden to make any change in header.




class Product
{

private:

no,there arent. all is mutator

Ok. second option is worked. BUt now i want to reach shoppingList vector.It's type of productClass

and Product class is


class Product
{

private:
string productName;

class Order /* It is forbidden to change here*/
{

private:

string orderID;
int orderDate;
string customerID;
string storeName;
vector<Product> shoppingList;

ok. then how can i print the items which exist in the vector with the help of a function?

#include <vector>
#include <iostream>

class Product
{

private:

string productName;
string productType;

ok. I understand. Thanks a lot.

Interestingly , No it is not a mistake .When i compile and run with this:




memcpy(snacks.ncandy[0].bar_name, &MyChocolate, sizeof(candybar));


outputs is:

??

I study the code which is Paul McKenzie's last post and add only couts at last. That's it:



#include <cstring>
#include <iostream>
int main()
{
using namespace std;
struct candybar

Thanks for all replies . You informed me very well.

No , it shouldn't because in my first thread(i copy paste below) , p is an allocated pointer and q is not an allocated pointer. Both of them doesn't equal Null when i run the program.The output is...

I am trying to understand this code.I find it from the web and copy paste directly. The comments are not mine.

I want you to focus on insert function firstly.


int create(struct node *p, int...

I understand in this way from your words:

We take space from memory randomly. Thus p is most probably Not NULL but it can be Null ( the possibility of being Null is very low) .

We don't...

#include <stdio.h>
#include <conio.h>

struct node
{
int num;
struct node *next;
};

the first one doesn't change the value of myKnap.W .
i have tried the second one and fixed some deficient point in your code. It should be correct.




#include<iostream>
using namespace std;...