再开小一点就会爆炸

#include<iostream>
#include<cstdio>
using namespace std;
unsigned long long n,cnt=0,cnt0=0,cnt1[1000005]={};
int main(){
    cin>>n;
    for(unsigned long long i=1;;i*=2){
        if(cnt0+i<=n){
            cnt++;
            cnt0+=i;
            cnt1[cnt]=i;
        }
        else break;
    }
    cout<<cnt<<endl;
    for(unsigned long long i=1;i<=cnt;i++){
        cout<<cnt1[i]<<endl;
    }
    return 0;
}