Help me in solving PPSCPP95 problem

help
,
1

My issue

help me understand the below solution for Fibonacci Series.

My code

#include <iostream>
using namespace std;

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

    int last = 1;
    int second_last = 0;

    cout << 0 << " " << 1 << " ";

    for(int i = 3; i <= n; i++) {
        int temp = last;
        last = last + second_last;
        second_last = temp;
        cout << last << " ";
    }   

    return 0;
}

Learning course: Complete C++ course
Problem Link: Coding problem - 2 Practice Problem in Complete C++ course - CodeChef

2

@varun1102
what did u not get ?