Dice Combinations

using namespace std;
typedef long long ll;

#define MAXN 1000001
#define MOD 1000000007

int rec_f[MAXN], n;

int combinations (int remaining) {
    if (rec_f[remaining] != 0) {
        return rec_f[remaining];
    }
    for (int i = 1; i <= 6; i++) {
        if (remaining - i >= 0) {
            rec_f[remaining] += combinations(remaining - i);
            rec_f[remaining] %= MOD;
        }
    }
    return rec_f[remaining];
}

int main() {
    cin >> n;
    memset(rec_f, 0, sizeof(rec_f));
    rec_f[0] = 1;
    cout << combinations(n) << endl;
}

Test 1

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 2

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 3

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 4

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 5

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 6

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 7

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 8

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 9

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 10

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 11

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 12

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 13

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 14

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 15

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 16

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 17

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 18

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 19

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?

Test 20

Verdict: RUNTIME ERROR

File "/box/input/code.py", line 1
    using namespace std;
    ^
SyntaxError: invalid syntax. Perhaps you forgot a comma?