ad

#include <iostream>
#include <vector>
#include <time.h>
using namespace std;


int main() 
{
	srand(time(NULL));

	vector<int> arr;
	arr.reserve(10);			

	for (int i = 0; i < 10; i++)
	{
		arr.resize(i + 1, rand());
	}

	auto it = arr.begin();					
	for (int i = 0; i < arr.size(); i++)
	{
		if (arr[i] % 2 == 1) 
		{
			arr.insert(arr.begin() + i, 0);
			i++;
		}
	}
	for (int i = 0; i < arr.size(); i++)
	{
		cout << arr[i] << " ";
	}
}