Dice Combinations

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

const int M = 1e9+7;
int N[1'000'001];

int main() {
	int n;
	cin >> n;
	N[0] = 1;
	for (int i = 1; i <= n; ++i) {
		int m = 0;
		for (int j = 1; j <= 6; ++j) {
			if (i - j >= 0) {
				m += N[i - j];
				m %= M;
			}
		}
		N[i] = m;
	}
	cout << N[n] << '\n';
}

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: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: ACCEPTED

Test 15

Verdict: ACCEPTED

Test 16

Verdict: ACCEPTED

Test 17

Verdict: ACCEPTED

Test 18

Verdict: ACCEPTED

Test 19

Verdict: ACCEPTED

Test 20

Verdict: ACCEPTED