#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <fstream>
#include <string>
#include <cstring>
#include <iomanip>
#include <math.h>
#include <cctype>
using namespace std;

struct toy
{
    int name;
    int data;
    toy* next;
};

toy* getNode(int name,int data) {//
    toy* p = new toy;
    p->name = name;
    p->data = data;
    p->next = nullptr;
    return p;
}

void addToLastList(toy*& pH, int name,int data) {
    if (pH == nullptr) {
        toy* p = getNode(name,data);
        pH = p;
        return;
    }
    toy* cur = pH;
    while (cur->next != nullptr)
        cur = cur->next;
    toy* p = getNode(name,data);
    cur->next = p;
}

int recursive(int value) {
    if (value == 0) return 0;
    if (value < 0)
        value = abs(value);
    /*
    Vd1: 12345 → result = -1+2-3+4-5.
Vd2: 789374 → result = -7+8-9+3-7+4.*/
    int p = ceil(log10(value))-1, a = value / pow(10, p);
    return -a + (-1)*recursive(value - a * pow(10, p));
}

toy* creatList(int n, int value) {
    toy* pH = nullptr;
    for (int i = 0; i < n; ++i) {
        int x = recursive(value + i+1);
        addToLastList(pH, i+1, x);
    }
    return pH;
}

void showList(toy* pH) {
    while (pH != nullptr) {
        cout << pH->name << " " << pH->data << "\n";
        pH = pH->next;
    }
}


int main(int argc, char** argv)
{
    toy* pH = creatList(10, 43);
    showList(pH);

    return 0;
}