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#include <iostream>
using namespace std;

class A
{
private:
    int n;
public:
    A(int x) { n = x; }
    void print()
    {
        int a = 1;
        int b = 1;
        for (int i = 0; i < n; i++)
        {
            cout << a << endl;
            b = b + a;
            a = b - a;
        }
    }
};

int main()
{
    A a(10);
    a.print();
    return 0;
}

#include <stdio.h>
#include <vector>
using std::vector;
class Fibonacci{
public:
        Fibonacci(int cnt):n(cnt){}
        void print(){
                if (n <= 2)
                {
                        if(n == 1){
                            printf("1\n");              
                        }
                        else{                   
                            printf("1 1\n");            
                        }                       
                }
                arr.push_back(1);
                arr.push_back(1);
                int a = 1;
                int b = 1;
                int c = 1;
                for (int i = 3; i <= n; i++)
                {
                        a = b;
                        b = c;
                        c = a + b;
                        arr.push_back(c);       
                }
                for(int i = 0; i < arr.size(); i++){
                    printf("%d ", arr[i]);
                }               
                printf("\n");   
        }
private:
        vector<int> arr;
        int n;
};
int main(){
        Fibonacci fibon(6);
        fibon.print();
        return 0;
}