Submission #155349

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Source Code Expand

#include <iostream>
#include <algorithm>
#include <vector>

#define max(x, y)	(((x) > (y))? (x) : (y))
#define abs(x)		(((x) < 0)? (-1*(x)) : (x))

int dp[1000000];

using namespace std;

int tori(int n) {
	if (n == 0) return 0;
	else if (n == 1) return 0;
	else if (n == 2) return 1;

	if (dp[n] >= 0) return dp[n];
	
	dp[n] = tori(n - 1) + tori(n - 2) + tori(n - 3); 

	return dp[n];
}

int main() {
	int n;

	memset(dp, -1, sizeof(dp));

	cin >> n;

	cout << (tori(n - 1) % 10007) << endl;

	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:27:27: error: ‘memset’ was not declared in this scope