Submission

Status:

PPPPPTTTTT

Subtask/Task Score:

50/100

Score: 50

User: Sense.exe

Problemset: อนุกรม

Language: cpp

Time: 1.096 second

Submitted On: 2026-09-30 19:23:23

#include <bits/stdc++.h>
using namespace std;

int Recur(long long n) {
    if(n==0) return 0;
    if(n==1) return 1;
    return Recur(n-1) + Recur(n-2);
}

int main() {
    long long n;
    cin >> n;
    if(n<=100&&n>=0) {
        cout << Recur(n);
    }
}