Aviso: compilar con gcc-> g++ -std=c++11 -o program.bin expand.cpp

expand.cpp

#include <iostream>
#include <list>
using namespace std;

list<int> crear_expand(int n,int m){
	list<int> l; int sum=0;
	while(sum<n){
		if((sum+m)>n){
			sum+=1;
			l.push_back(1);
		}else{
			sum+=m;
			l.push_back(m);
		}
	}
	return l;
}

void expand(list<int>&l, int m){
	list<int> aux,tmp;
	auto p = l.begin();
	while(p!=l.end()){
		aux = crear_expand(*p,m);
		auto q = aux.begin();
		while(q!=aux.end()){
			tmp.push_back(*q);
			q++;
		}
		p++;
	}
	l = tmp;
}

void display(list<int>&l){
	auto p = l.begin();
	while(p!=l.end()) cout << *p++ << " ";
} 

int main(int argc, char *argv[]) {
	
	list<int> l = {7,2,3,1,4,5};
	display(l);
	cout <<endl;
	expand(l,2);
	display(l);
	
	/*El display sera L={2,2,2,1,2,2,1,1,2,2,2,2,1}*/
	
	return 0;
}