Dice Combinations

#include <stdio.h>
#include <math.h>
#include <stdlib.h>

const int N = pow(10,9)+7;

int main() {
    int n;
    if (scanf("%d", &n) <= 0) {
        exit(1);
    }

    int *count = calloc(n+1,sizeof(int));
    count[0] = 1;

    for (int x=1; x<=n; x++) {
        for (int k=1; k<=6; k++) {
            if (x-k >= 0) {
                count[x] += count[x-k];
                count[x] %= N;
            }
        }
    }
    printf("%d",count[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