Salut. Uite o metoda usoare prin care poti sa faci acest lucru. Succes in continuare!
#include "stdafx.h"
#include <iostream>
#include <string>
using namespace std;
int main()
{
char cuvant[20];
cin.get(cuvant, 20);
for (int i = 0; i < strlen(cuvant); i++)
{
if (cuvant[i] == 'a')
cout << " " << cuvant[i] << " ";
else
cout << cuvant[i];
}
return 0;
}