Submission

Score: 100

User: nicekrittaphat

Problemset: อนุกรม

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-10 20:27:59

#include <iostream>
using namespace std;

int main() 
{
    int n;
    cin>>n;

    long long a=1;
    long long b=0;
    long long sum;
    for(int i=1;i<=100;i++){
        sum=a+b;
        a=b;
        b=sum;
    if(i==n){
        cout<<sum;
        break;
    }
    }
}