Modify the Many Queens program so that it displays all the solutions.

The recursive algorithm for the Many Queens problem can be modified to list not just one, but also all the possible solutions. When each solution is found, it is added to a list. The function then removes the queen from the last column to force a failure and a search for another solution.

Here is the pseudocode for the modified algorithm, named solve:

function solve(col, board, listOfSolutions)

For each row in the board

if board[row][col] is not under attack

place queen in board[row][col]

if col is the rightmost one then

add board to listOfSolutions

else

solve(col + 1, board, listOfSolutions)

remove queen from board[row][col]

Modify the Many Queens program so that it displays all the solutions.

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