Submission

Score: 40

User: dy

Problemset: อนุกรม

Language: cpp

Time: 0.003 second

Submitted On: 2026-10-05 20:26:27

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