#include <iostream>
using namespace std;
//...
{
    const int N=7;
    char a[N] = {'D','A','C','B','E','G','F'};

    for (int i = N-1; i>0; i--)
    {
        for (int j = 0; j < i; j++)
        if (a[j] > a[j+1])
    {
        char schowek = a[j];
        a[j] = a[j+1];
        a[j+1] = schowek;
    }

    //Wypisanie tablicy po każdym kroku
    //| - początek posortowanych
    {
        cout << "i=" << i << ": ";
        for(int k=0; k<N; k++)
        cout << " " << a[k] << " " << (k==i-1?"|":" ") ;
        cout << endl;
    }
    }
}