Codigos/1095C.cpp at master · tfarnecim/Codigos · GitHub

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#include <bits/stdc++.h>
using namespace std;

#define mp make_pair
#define pb push_back
#define INF 1000000000
#define INFL 1000000000000000000

typedef long long ll;
typedef pair <ll, ll> pii;
typedef vector <ll> vi;

bool ligado(ll mask,ll i){

	if((mask & (1 << i)) == 0) return false;

	return true;

}

int main(){

	ll n,m;

	cin >> n >> m;

	ll mult = 1;

	map <ll,ll> cont;

	ll maxi = -1;

	ll bits = 0;

	for(int i=0;i<32;i++){

		if(ligado(n,i)){

			//cout << "BIT DO " << mult << " LIGADO\ni = " << i << endl;

			cont[mult] = 1;

			bits++;

		    if(mult > maxi){
				maxi = mult;
			}

		}

		mult *= 2;

	}

	if(m < bits){
		cout << "NO\n";
		return 0;
	}

	while(bits < m && maxi != 1){

		cont[maxi]-=1;
		cont[maxi/2]+=2;

		if(cont[maxi]==0){
			maxi = maxi/2;
		}

		bits++;

	}

	if(cont[1] == n && m > n){
		cout << "NO\n";
		return 0;
	}

	cout << "YES\n";

	while(maxi!=0){

		for(int i=0;i<cont[maxi];i++){

			cout << maxi << " ";

		}

		maxi = maxi/2;

	}

	cout << endl;

	return 0;
}