Submission #22888

#	Time	Username	Problem	Language	Result	Execution time	Memory
22888		Name10	Fully Generate (KRIII5_FG)	C++11	2 / 7	9 ms	5924 KiB

FG

#include <iostream>
#include <cstdio>
using namespace std;

int dat[1000005], n;
long long ans = 4;

int main()
{
	cin >> n;

	if (n == 1)
	{
		cout << 1;
	}
	else if (n == 2)
	{
		cout << 2;
	}
	else if (n == 3)
	{
		cout << 4;
	}
	else {

		dat[1] = 1;
		dat[2] = 2;
		dat[3] = 2;


		int gen_num = 3, left_cnt = dat[3];
		int i = 4;
		while (i <= n)
		{
			if (left_cnt > 0)
			{
				dat[i] = gen_num;
				ans = (ans * (dat[i] % 1000000007)) % 1000000007;

				left_cnt--;
				i++;
			}
			else
			{
				left_cnt = dat[++gen_num];
			}
		}

		cout << ans;
	}

	return 0;
}

• Subtask 1: 2 / 2
• Subtask 2: 0 / 5