SumaXL

#include <fstream>
#include <vector>
#include <iostream>

using namespace std;

ifstream fin("sumaxl.in");
ofstream fout("sumaxl.out");

vector < int > v;
vector < int > v2;

int n, b;

void citire(vector < int > &v)
{
    cin >> n;

    for(int i = 1; i <= n; i++)
    {
        int t;

        cin >> t;

        v.insert(v.begin(), t);
    }

    cin >> b;
}

void adaugare(vector < int > v2)
{
    while(b)
    {
        v2.insert(v2.begin(), b % 10);
        b /= 10;
    }
}

void adunare(vector < int > v, vector < int > v2)
{
    int e = 0;

    if(v.size() < v2 .size())
    {
        v.resize(v2.size());
    }

    for(int i = 0; i < v.size(); i++)
    {
        e += (v[i] + v2[i]);
        v[i] = e % 10;
        e /= 10;
    }

    if(e)
    {
        v.resize(v.size() + 1);
        v[v.size() + 1] = e;
    }
}


void scriere(vector < int > v)
{
    for(int i = v.size() - 1; i >= 0; i--)
    {
        cout << v[i];
    }
}

int main()
{
    citire(v);
    adaugare(v2);
    adunare(v, v2);
    scriere(v);

    return 0;
}