ДляАндрея

#include "pch.h"
#include <iostream>


using namespace std;

struct stek {
    int id , count;
    float weight;
    stek *next=NULL;
};

void vvod(stek **inf)
{
    stek *p = new stek;
    cin >> p->id >> p->count >> p->weight;
    p->next = *inf;
    *inf = p;
}
void edit(stek **inf)
{//первый пункт
    stek *p = *inf;
    int idsearch;
    cin >> idsearch;
    while (p)
    {
        if (idsearch == p->id)
        {
            cin >> p->id >> p->count >> p->weight;
            return;
        }
        p = p->next;
    }
}

void show(stek **inf)
{// второй пункт
    stek *p = *inf;
    while (p)
    {
        cout << p->id <<" "<< p->count <<" "<< p->weight<<" " << endl;
        p = p->next;
    }
}

bool task(stek **inf)
{// третий пункт
    stek *p = *inf;
    while (p)
    {
        if (p->count == 1 && p->weight >= 30) return true;
        p = p->next;
    }
    return false;
}

int main()
{
    stek *inf = NULL;
}