Submission

Score: 50

User: Gundhon

Problemset: อนุกรม

Language: cpp

Time: 0.005 second

Submitted On: 2026-10-07 14:59:30

#include <iostream>

using namespace std;

int main(){
    int s;
    cin >> s;
    if(s > 90){
        return 0;
    }
    
    int ps[s+1];

    ps[0]= 1;
    ps[1]= 1;

    for(int i = 2; i <= s; i++){
        ps[i] = ps[i-1] + ps[i-2];
    }

    cout << ps[s-1];

    return 0;
}