Grand Theft Array V

#define _USE_MATH_DEFINES
#include <iostream>
#include <conio.h>
#include <string>
#include <set>
#include <map>
#include <algorithm>
#include <string>
#include <math.h>
#include <vector>
#include <cmath>
#include <sstream>

using namespace std;

int main()
{
    long long n, suma=0, sumb=0, a, b, prom;
    long long arry[100001];

    cin >> n;

    for (int i = 1; i <= n; i++)
    {
        cin >> prom;
        arry[i] = prom;
    }

    cin >> a >> b;

    if (a < b)
    {
        for (int i = 1; i <= n; i++)
        {
            if (i <= (a+b)/2)
                suma += arry[i];
            else
                sumb += arry[i];
        }
    }
    else
        if(a>b)
            for (int i = 1; i <= n; i++)
            {
                if (i <= ceil((a+b) / 2.0) - 1)
                    sumb += arry[i];
                else
                    suma += arry[i];
            }
        else
        {
            for (int i = 1; i <= n; i++)
            {
                if (i < a)
                    sumb += arry[i];
                else
                    if (i > a)
                        suma += arry[i];
            }
            if (suma >= sumb)
                suma = suma + arry[a];
            else
            {
                prom = suma;
                suma = sumb + arry[a];
                sumb = prom;
            }
        }

    cout << suma << endl << sumb;

    return 0;
}