Dice Combinations

#define MOD 1000000007


#include <iostream>
#include <vector>
int main(){
  int n;
  std::cin >> n;
  std::vector<long long> dp(n+1, 0);

  for(int i = 1; i<=n; ++i){
    for (int dice = 1; dice<=6; ++dice){
      if (i-dice > 0){
        dp[i] += dp[i-dice];
        if (dp[i] >= MOD) dp[i] -= MOD;
      }
      if(i==dice){
        dp[i]+=1;
        if (dp[i] >= MOD) dp[i] -= MOD;
      }
    }
  }
  std::cout << dp[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