text stringlengths 1 93.6k |
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import copy
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def checkio(matrix):
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counts, L = [], len(matrix[0])
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for i in range(L):
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for j in range(L):
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coord = [0, i, len(matrix) - 1, j]
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count = get_last_point(copy.deepcopy(matrix), *coord)
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counts.append(count)
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return min(counts)
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def pop_min(labyrinth, queue):
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min_q = [labyrinth[q[0]][q[1]] for q in queue]
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min_point = min_q.index(min(min_q))
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return queue.pop(min_point)
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def get_last_point(labyrinth, xn, yn, xk, yk):
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"""Initial Values"""
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queue = []
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queue.append([xn, yn])
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N, M = len(labyrinth), len(labyrinth[0])
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watched = [[False for jj in range(M)] for ii in range(N)]
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watched[xn][yn] = True
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"""Create path"""
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while queue:
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xn, yn = pop_min(labyrinth, queue)
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for dx, dy in [(1, 0), (-1, 0), (0, 1), (0, -1)]:
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x, y = xn + dx, yn + dy
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if (x >= 0) and (x < N) and \
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(y >= 0) and (y < M) and \
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not watched[x][y]:
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queue.append([x, y])
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watched[x][y] = True
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labyrinth[x][y] = labyrinth[x][y] + labyrinth[xn][yn]
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"""Return LastPoint"""
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return labyrinth[xk][yk]
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def test_last_point():
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assert get_last_point([[0, 0, 1], [1, 2, 3], [1, 2, 3]], 0, 0, 2, 2) == 7, "3x3 diagonal"
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"""
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[
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[0, 0, 1],
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[1, 2, 4],
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[2, 4, 7],
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]
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"""
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assert get_last_point([[1, 1, 1], [1, 1, 1], [1, 1, 1]], 0, 0, 2, 2) == 5, "3x3 ones"
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"""
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[
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[1, 2, 3],
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[2, 3, 4],
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[3, 4, 5],
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]
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"""
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assert get_last_point([[10, 10], [10, 10]], 0, 0, 1, 1) == 30, "2x2 tens"
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"""
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[
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[10, 20],
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[20, 30],
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]
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"""
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assert get_last_point([
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[1, 1, 1, 1, 0, 1, 1],
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[1, 1, 1, 1, 0, 0, 1],
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[1, 1, 1, 1, 1, 0, 1],
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[1, 1, 0, 1, 1, 0, 1],
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[1, 1, 0, 1, 1, 1, 1],
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[1, 0, 0, 1, 1, 1, 1],
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[1, 0, 1, 1, 1, 1, 1]
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], 0, 0, 6, 6) == 8, "big ex"
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assert get_last_point([[1, 2, 3],
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[1, 2, 3],
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[1, 2, 3]], 0, 0, 2, 2) == 8, "3x3 ones"
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def test_function():
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assert checkio([[1, 1, 1, 1, 0, 1, 1],
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[1, 1, 1, 1, 0, 0, 1],
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[1, 1, 1, 1, 1, 0, 1],
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[1, 10, 0, 1, 1, 0, 1],
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[1, 1, 0, 1, 1, 1, 1],
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[1, 0, 0, 1, 1, 1, 1],
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[1, 0, 1, 1, 1, 1, 1]]) == 2, "1st example"
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assert checkio([[0, 0, 0, 0, 0, 0, 0],
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[1, 1, 1, 1, 1, 1, 1],
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[1, 1, 1, 1, 1, 1, 1],
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[1, 1, 1, 1, 1, 1, 1],
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[1, 1, 0, 1, 0, 1, 1],
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[1, 0, 0, 0, 0, 0, 1],
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[0, 0, 0, 0, 0, 0, 0]]) == 3, "2nd example"
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assert checkio([[1, 1, 1, 1, 1, 0, 1, 1],
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[1, 0, 1, 1, 1, 0, 1, 1],
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[1, 0, 1, 0, 1, 0, 1, 0],
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