Submission

Status:

PPPPPPPPPP

Subtask/Task Score:

100/100

Score: 100

User: TonnamSora

Problemset: อนุกรม

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-02 18:12:03

#include <iostream>
using namespace std;

int main(){
    long long int N;
    cin >> N;
    long long int a = 1, b = 0;
    long long int x = 1;
    for(int i = 1; i < N; i++){
        x = a + b;
        b = a;
        a = x;
    }
    cout << x;
}