typedef signed int sint;
#define N 100
static int n = N;

inline int f(const int n, int& i, int* j, int t[2], int p=11)
{
    i*=i;
    (*j)--;
    
    if ( n<=0 )
    {
        cout << ::n << ">\n";
        return t[0];
    }
    else return f(n-1, i, j, t) + t[n];
}

int main()
{
    int n = 4;
    int x = 1U;
    sint y = 10;
    int (*fptr)(const int, int&, int*, int*, int) = f;

    int* t = new int[n];
    int& r = *(t+3);
    (*t) = 1;
    *(t+1) = 2;
    t[2] = 3;
    r = 4;

    int z = (*fptr)(5, x, &y, t, 12);    

    for(int i = 0; i < 2*n; i++)
    {
        if( i == n )
            continue;
        if( i > n )
            break;
        cout << t[i] << "\n";
    };
    cout << x << ", " << y << ", " << z << "\n";
    
    delete[] t;
}

    string sum_numbers(string a, string b) {
        char ca, cb, ci, out, co = '0';
        string result = "";
        while (a.size() > 0 || b.size() > 0 || co != '0') {
            ci = co; ca = '0'; cb = '0';
            if (a.size() > 0) {ca = a.back(); a.pop_back();}
            if (b.size() > 0) {cb = b.back(); b.pop_back();}
            result = ((((ca != cb) ? '1' : '0') != ci) ? '1' : '0') + result;
            co = ((((ca == '1' && cb == '1') ? '1' : '0') == '1' || 
                 ((((ca != cb) ? '1' : '0') == '1' && ci == '1') ? '1' : '0') == '1') ? '1' : '0');
        }
        return result;
    }

#include <iostream>
#include <vector>
#include <numeric>
#include <algorithm>
#include <iterator>

constexpr int N = 10;

int main() {
    std::vector<int> even;
    std::vector<int> odd;
    
    even.resize(N);
    
    // Fill up the 'even' vector with integers starting from from 1 through 'N'
    std::iota(even.begin(), even.end(), 1);

    // Segregate the odd and even integers from each other
    
    for (auto it = even.begin(); it != even.end(); ++it)
        if (*it % 2 != 0) {
            // If the number is odd, put it in the 'odd' vector
            odd.push_back(*it);
            // Remove the number from the even vector
            even.erase(it);
        }

    // Print the result
    
    std::cout << "Even numbers: ";
    std::copy(even.begin(), even.end(), std::ostream_iterator<int>(std::cout, " "));

    std::cout << "\nOdd numbers: ";
    std::copy(odd.begin(), odd.end(), std::ostream_iterator<int>(std::cout, " "));

    std::cout << '\n';
}