Submission #154955

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Source Code Expand

#include <iostream>
#include <string>
#include <vector>

using namespace std;

void solve()
{
	int n;
	cin >> n;
	vector<int> tri;
	tri.push_back(0);
	tri.push_back(0);
	tri.push_back(1);
	for(int i = 3; i <= n; ++i)
	{
		tri.push_back((tri[i - 3] + tri[i - 2] + tri[i - 1]) % 10007);
	}
	cout << tri[n - 1] << endl;
}

int main()
{
	solve();
	return(0);
}

Submission Info

Judge Result