Submission #1316441

---

Source Code Expand

#include<iostream>
#include<algorithm>
#include<cstdio>
#include<cstdlib>
#include<vector>
#include<string>
#include<sstream>
#include<cmath>
#include<numeric>
#include<map>
#include<stack>
#include<queue>
using namespace std;

int main(void) {
  int n;
  cin >> n;
  vector<long long int> u(50, 1);
  for(int i=2; i<50; i++){
    u[i] = u[i-1] + u[i-2];
  }
  cout << u[n] << endl;

  return 0;
}





// EOF

Submission Info

Judge Result