Submission

Score: 40

User: IIIIIIIIIIII

Problemset: อนุกรม

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-15 13:28:41

#include <iostream>
using namespace std;

int n, a0=0, a1=1;
void sum(int n){
    if(n<2) cout << n;
    for(int i=2;i<n+1;i++){
        int temp = a0+a1;
        a0 = a1;
        a1 = temp;
    }cout <<  a1;
}

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