Dice Combinations

#include <bits/stdc++.h>
using namespace std;

int main() {
    int n; cin >> n;

    int dice[] = {1, 2, 3, 4, 5, 6};
    const unsigned long long MOD = 10e9+7;

    vector<unsigned long long> ways(n+7);

    for(int i = 1; i <= n; i++) {
        unsigned long long sum = i <= 6 ? 1 : 0;
        // cout << i << ":";
        for(int roll : dice) {
            if(i-roll >= 0) {
                // cout << " (" << roll << ',' << ways[i-roll] << ')';
                sum += ways[i-roll];
            }
        }
        ways[i] = sum % MOD;
        // cout << '\n';
    }

    cout << ways[n] << '\n';

    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: WRONG ANSWER

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: WRONG ANSWER