Submission #1502664

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Source Code Expand

#include "iostream"
#include "climits"
#include "list"
#include "queue"
#include "stack"
#include "set"
#include "functional"
#include "algorithm"
#include "string"
#include "map"
#include "iomanip"
#include "random"

using namespace std;
const long long int MOD = 1000000007;
const long double EPS = 0.00000001;

long long int N, M, K, Q, W, H, L, R;
long long int ans;


int main() {
	ios::sync_with_stdio(false);
	long long int num[50] = {};
	cin >> N;
	num[0] = 1;
	num[1] = 1;
	for (int i = 2; i <= N; i++)num[i] = num[i - 1] + num[i - 2];
	cout << num[N] << endl;
	return 0;
}

Submission Info

Judge Result