Submission

Score: 50

User: kinzap

Problemset: อนุกรม

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-12 12:48:58

#include <iostream>
using namespace std;

int n,a=0,b=1,c;

int main(){
    cin >> n;
    for(int i = 1;i<n;i++){
        
        c= a+b;
        //cout << c <<endl;
        a=b;
        b=c;
        
    }
    if(n==1){cout << 1;}
    else cout << c;
}