def calculate_solution(pieces, full_board, short_board, save_db, get_db):
"""The eight queens puzzle in Python."""
t = time.process_time()
queens = NQueens(pieces, full_board, short_board, save_db, get_db)
solutions = queens.solve()
print(f"Found {solutions} solutions.")
elapsed_time = timedelta(seconds=time.process_time() - t)
print(f"Time elapsed (hh:mm:ss.ms) {elapsed_time}")
def test_one_queen():
pieces = 1
queens = NQueens(pieces)
solutions = queens.solve()
assert solutions == 1
def test_twelve_queens():
pieces = 12
queens = NQueens(pieces)
solutions = queens.solve()
assert solutions == 14200
def test_eleven_queens():
pieces = 11
queens = NQueens(pieces)
solutions = queens.solve()
assert solutions == 2680
def test_ten_queens():
pieces = 10
queens = NQueens(pieces)
solutions = queens.solve()
assert solutions == 724
def test_nine_queens():
pieces = 9
queens = NQueens(pieces)
solutions = queens.solve()
assert solutions == 352
def test_eigth_queens():
pieces = 8
queens = NQueens(pieces)
solutions = queens.solve()
assert solutions == 92
def test_seven_queens():
pieces = 7
queens = NQueens(pieces)
solutions = queens.solve()
assert solutions == 40
def test_six_queens():
pieces = 6
queens = NQueens(pieces)
solutions = queens.solve()
assert solutions == 4
def test_five_queens():
pieces = 5
queens = NQueens(pieces)
solutions = queens.solve()
assert solutions == 10
def test_four_queens():
pieces = 4
queens = NQueens(pieces)
solutions = queens.solve()
assert solutions == 2
def test_three_queens():
pieces = 3
queens = NQueens(pieces)
solutions = queens.solve()
assert solutions == 0
def test_two_queens():
pieces = 2
queens = NQueens(pieces)
solutions = queens.solve()
assert solutions == 0