Submission

Status:

PPPPPPPPPP

Subtask/Task Score:

100/100

Score: 100

User: Trin1506

Problemset: อนุกรม

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-07 20:00:39

#include <bits/stdc++.h>
using namespace std;
int main(){
    long long int n,a=0,b=1,c;
    cin >>n;
    if(n==1)cout <<'1';
    else if(n==0)cout<<'0';
    else{
        for(int i=1;i<n;i++){
            c=a+b;
            a=b;
            b=c;
        }
        cout << c;



    }

}