Dice Combinations

#include "iostream"


int main() {
    int n;
    std::cin >> n;
    if (n < 0) std::cout << 0 << std::endl;
    int sums[n+1];
    sums[0] = 1;
    for (int i = 1; i <= n; i++) {
        sums[i] = 0;
    }
    long m = 1000000000 + 7;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= 6; j++) {
            if (i - j >= 0) {
                sums[i] += sums[i - j];
                sums[i] %= m;
            }
        }
    }
    std::cout << sums[n] << std::endl;
}

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