Dice Combinations

#include <iostream>
#include <cstdint>

int main()
{
    uint64_t n;
    std::cin >> n;

    uint64_t results[6] = {1, 2, 4, 8, 16, 32};
    uint64_t current_result = 7;
    uint64_t active_index = 5;

    uint64_t result;

    while (current_result <= n)
    {
        uint64_t sum = 0;
        for (uint64_t i = 0; i < 6; i++)
        {
            sum += results[i];
        }
        active_index = (active_index + 1) % 6;
        current_result++;
        results[active_index] = sum;
    }

    if (n <= 6)
    {
        result = results[n-1];
    } else 
    {
        result = results[active_index] % (1'000'000'007ull);
    }

    std::cout << result << std::endl;
    return 0;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: WRONG ANSWER

Test 13

Verdict: WRONG ANSWER

Test 14

Verdict: WRONG ANSWER

Test 15

Verdict: WRONG ANSWER

Test 16

Verdict: WRONG ANSWER

Test 17

Verdict: WRONG ANSWER

Test 18

Verdict: WRONG ANSWER

Test 19

Verdict: WRONG ANSWER

Test 20

Verdict: ACCEPTED