Dice Combinations

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

const int N = 1'000'000;
const ll INF = LLONG_MAX;

int main() {
	ll a[N];
	a[0] = 1;
	ll d[6] {1,2,3,4,5,6};
	ll n;
	cin >> n;
	for (int i=1; i<=n; i++) {
		ll m = 0;
		for (int x : d) {
			if (i-x<0) continue;
			m += a[i-x];
		}
		a[i] = m;
	}
	cout << a[n] << 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: 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