vector

#include <cstdio>
#include <iostream>
#include <vector>
using namespace std;
int main(){
    int n,min,max;
    vector<int> number;
    number.insert(number.end(),0);//尾插法
    number.insert(number.end(),0);
    number.insert(number.end(),1);

    cin>>n;
    for(int i = 3;;i++){
　　　　 //斐波那契数列

        number[i] = number[i-2] + number[i-1];
        
        if(number[i] >= n) 
        {
            max = number[i] == n ? number[i] : number[i-1];
            min = number[i];
            cout<<"不大于n的最大值是"<< max<<endl;
            cout<<"不小于n的最小值是"<< min<<endl;
            break;
        }
        
    }
    return 0;
}