Submission

Score: 50

User: KurtCobain

Problemset: อนุกรม

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-02 20:49:08

#include <iostream>
#include <vector>
using namespace std;

int main(){
     int n;
     cin >> n;
     vector<int> gen_forlife = {1,1};
     int prev = gen_forlife[0];
     int next = gen_forlife[1];
     for (int i=0;i<=150;i++){
       int new_add = prev + next;
       gen_forlife.push_back(new_add);
       int temp = next;
       next = new_add;
       prev = temp;
     }
     cout << gen_forlife[n-1];
}