Go: package main

import (
	"bufio"
	"os"
	"strconv"
	"fmt"
)

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	for scanner.Scan() {
		num, _ := strconv.Atoi(scanner.Text())
		first := true
		beki := 1
		for num != 0 {
			if num % 2 == 1 {
				if !first {
					fmt.Print(" ")
				}
				fmt.Print(beki)
				first = false
			}
			num /= 2
			beki *= 2
		}
		fmt.Println()
	}
}

C++: #include<iostream>
#include<cstdio>
using namespace std;
int main(){
  int n,tmp[10]={512,256,128,64,32,16,8,4,2,1};
  while(cin >> n && n!=EOF){
    int cnt[10]={0};
    for(int i=0;i<10;i++){
      if(n-tmp[i]>=0){
	n-=tmp[i];
	cnt[i]++;
      }
      if(n==0) break;
    }
    int flg=0;
    for(int i=9;i>=0;i--){
      if(cnt[i]==1){
      if(flg==1)cout << " ";
	cout << tmp[i];
	flg=1;
      }
    }
    cout << endl;
  }
}

C++: #include <iostream>
#include <stack>
using namespace std;

int main(){
	int n;
	int omori[10];
	omori[0] = 1;
	for(int i = 1; i < 10; i++){
		omori[i] = omori[i-1]*2;
	}
	while(cin >> n){
		int k = 0;
		stack<int> st;
		for(int i = 9; i >=0; i--){
			if(omori[i] <= n){
				st.push(omori[i]);
				n = n - omori[i];
				k++;
			}
		}
		cout << st.top();
		st.pop();
		for(int i = 1; i < k; i++){
			cout << " " << st.top();
			st.pop();
		}
		cout << endl;
	}
}

C++: #include <iostream>
#include <vector>

using namespace std;

int main(){
  int n;
  while(cin >> n){
    if(cin.eof())break;
    vector<int> ar;
    int flg = 0;
    for(int i = 512 ; i>=1; i/=2){
   
      if(n >= i&&flg == 0){
	cout << i;
	flg = 1;
	n-=i; 
	continue;
      }
      if(n >= i&&flg == 1){
	cout <<" "<< i;
	n-=i; 
      }
    }
  }
  return 0;
}

C++: #include <iostream>
#include <algorithm>
using namespace std;
int weights[] = {1,2,4,8,16,32,64,128,256,512};
int main(){
	int n,a[10],b,c;
	while(cin >> n){
		b = 0;
		c = 10;
		while(n != 0){
			for(int i = 0;i < c;++i){
				if(n < weights[i]){
					n -= weights[i - 1];
					a[b] = i - 1;
					c = i;
					++b;
					break;
				}
			}
		}
		sort(a,a+b);
		for(int i = 0;i < b;++i){
			if(i == 0) cout << weights[a[i]];
			else cout << " " << weights[a[i]];
		}
		cout << endl;
	}
	return 0;
}

C++: #include<iostream>
using namespace std;
int main(){
  int weight;
  int hundou[10]={1,2,4,8,16,32,64,128,256,512};
  while(cin>>weight){
    int point[10]={};
    for(int i=9;i>=0;i--){
      if(weight>=hundou[i]){
	weight-=hundou[i];
	point[i]=1;
      }
    }

    int maxpointer=0;
    for(int i=0;i<10;i++){
      if(point[i])
	maxpointer=i;
    }

    for(int i=0;i<=maxpointer;i++){
      if(point[i]){
	cout<<hundou[i];
	if(i!=maxpointer)
	  cout<<" ";
      }
    }
    cout<<endl;
  }
  return 0;
}

C++: //AOJ 0031

#include<stdio.h>
#include<iostream>
#include<vector>

using namespace std;

int main(){

	int data[10]={1,2,4,8,16,32,64,128,256,512};

	int num;

	while(cin>>num){
		int tmp=0;
		for(int j=0;j<10;j++){

			if(num%2==1){
				if(tmp==0){
					printf("%d",data[j]);
					tmp++;
				}
				else{
					printf(" %d",data[j]);
				}
				num/=2;
			}
		}
		printf("\n");

	}
	return 0;
}

C++: #include <iostream>
#include <iomanip>
#include <cassert>
#include <algorithm>
#include <functional>
#include <vector>
#include <string>
#include <cstring>
#include <stack>
#include <queue>
#include <map>
#include <bitset>
#include <sstream>
#include <istream>
#include <cmath>
#include <cstdio>

using namespace std;

#define vci vector<int>
#define vcs vector<string>
#define pb push_back
#define sz size()
#define mapii map<int, int>
#define mapci map<char, int>
#define mapsi map<string, int>
#define all(x) x.begin(), x.end()
#define minit(a, i) memset(a, i, sizeof(a));

#define for_(i, a, b) for (int i=(int)a; i<(int)b; i++)
#define for_d(i, a, b) for (int i=(int)a-1; i>=b; i--)
#define for_r(i, a, b, c) for (int i=(int)a; i<(int)b; i += c)
#define for_dr(i, a, b, c) for (int i=(int)a-1; i>=b; i -= c)
#define FOR(i,c) for(__typeof((c).begin())i=(c).begin();i!=(c).end();++i)

typedef long long ll;

const int iINF = 2147483647;
const ll lINF = 9223372036854775807;

template <class T> inline void dbg(T t) { cout << t << endl; }





int main() {
	int in;
	while (cin >> in) {
		bitset<10> b(in);
		int hit = 0;
		for_(i, 0, 10) {
			if (b[i]) {
				if (hit>0) cout << " ";
				cout << pow(2, i);
				hit++;
			}
		}
		cout << endl;
	}
	
	return 0;
}

C++: #include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
int main(){
  int n;
  int square[]={1, 2, 4, 8, 16, 32, 64, 128, 256, 512};
  vector<int> num;

  while(cin >> n){
    if(n == 0 || n > 1023){
      cout << "error" << endl;
      break;
    }

    for(int i = 9; i >= 0; i--){
      if(n >= square[i]){
        num.push_back(i);
        n -= square[i];
      }
    }

    for(int i = num.size() - 1; i >= 0; i--){
      cout << square[ num[i] ];
      if(i = 0) cout << endl;
      else      cout << " ";
    }
    
    num.clear();
  }
  
}

C++: #include<stdio.h>
int ex(int n)
{
    if(n == 0)return 1;
    return ex(n - 1) * 2;
}
int main()
{
    int n;
    while(scanf("%d",&n) != -1)
    {
        int mem[10] = {0};
        for(int i = 9; i >= 0; i--)
        {
            if(n >= ex(i))mem[i] = 1,n -= ex(i);
        }
        n = 0;
        for(int i = 0; i < 10; i++)
        {
            if(mem[i] == 1)
            {
                if(n != 0)printf(" ");
                printf("%d",ex(i)),n++;
            }
        }
        printf("\n");
    }
    return 0;
}

C++: #include<stdio.h>
#include<stdlib.h>
#include<iostream>
#include<string>
#include<string.h>
#include<vector>
#include<math.h>
#include<queue>
#include <algorithm>
#include<functional>
#include<cstdlib>
#include<cmath>


#define REP(i, n) for(int i = 0;i < n;i++)
#define REPR(i, n) for(int i = n;i >= 0;i--)
#define FOR(i, m, n) for(int i = m;i < n;i++)
#define FORR(i, m, n) for(int i = m;i >= n;i--)
#define CI cin >>
#define CO cout <<
#define E << endl;

using namespace std;

typedef pair<int, int> P;
typedef pair<long, long> LP;
typedef pair<int, P> PP;
typedef pair<long, LP> LPP;

int N;

int dy[] = { 0, 0, 1, -1, 0 };
int dx[] = { 1, -1, 0, 0, 0 };

bool W_b[10] = { false };
int W[] = { 1, 2, 4, 8 ,16, 32, 64, 128, 256, 512 };

void input(void) {
	CI N;
	return;
}


int main(void) {
	int nn = 0;
	while (CI N) {
		for (int i = 9; i >= 0; i--) {
			if (W[i] <= N) {
				N -= W[i];
				W_b[i] = true;
				nn++;
			}
		}
		for (int i = 0; i < 10; i++) {
			if (W_b[i] == true) {
				CO W[i];
				if (i != nn)CO " ";
				W_b[i] = false;
			}
		}
		CO "\n";
		nn = 0;
	}
	
	return 0;
}