Submission #19704

#	Time	Username	Problem	Language	Result	Execution time	Memory
19704		panda959595	동전 (kriii4_E)	C++98	0 / 100	0 ms	1716 KiB

D

#include <string>
#include <cmath>
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <vector>
#include <list>
#include <stdio.h>
#include <string.h>
using namespace std;
int main()
{
	int n;
	cin >> n;
	int me[250][2], you[250][2];
	me[0][0] = 1;
	me[0][1] = 0;
	you[0][0] = 0;
	you[0][1] = 1;
	for (int i = 1; i < n; i++)
	{
		me[i][0] = me[i - 1][0];
		me[i][1] = you[i - 1][0];
		you[i][0] = me[i - 1][1] + you[i - 1][0] + you[i - 1][1];
		you[i][1] = me[i - 1][0] + me[i - 1][1] + you[i - 1][1];
		me[i][0] %= 1000000007;
		me[i][1] %= 1000000007;
		you[i][0] %= 1000000007;
		you[i][1] %= 1000000007;
	}
	cout << me[n - 1][0] + me[n - 1][1] << endl;
	return 0;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 95