백준 9095 1, 2, 3 더하기

https://www.acmicpc.net/problem/9095

---

#include <iostream>

using namespace std;

int T = 0;

int main()
{
	cin >> T;
	int dp[11];
	dp[1] = 1;
	dp[2] = 2;
	dp[3] = 4;
	for (int i = 4; i <= 10; i++)
	{
		dp[i] = dp[i - 1] + dp[i - 2] + dp[i - 3];
	}
	while (T--)
	{
		int n;
		cin >> n;
		cout << dp[n] << '\n';
	}
}