Submission #19921

#	Time	Username	Problem	Language	Result	Execution time	Memory
19921		king7282	괄호 (kriii4_R)	C++98	0 / 100	2000 ms	24516 KiB

R

#include <stdio.h>
#define ll long long
#define M 1000000007

ll dp[1000010], sum[2][1000010];

int main(void)
{
	ll i, n, k;
	scanf("%lld %lld", &n ,&k);

	dp[0] = 1, dp[1] = 1;

	for(i = 2; i <= n; i++)
	{
		ll tmp = 0;
		for(ll j = 0; j < i / 2; j++)
			tmp = (tmp % M + dp[j] * dp[i - (j + 1) * 2] % M) % M;
		dp[i] = (tmp + dp[i - 1]) % M;
	}

	printf("%lld\n", dp[n]);
	return 0;
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 92