class Node(object): def __init__(self, val): self.val = val self.next = None def print_list(node): while node: print node.val, node = node.next print def Partition(head, x): x_node = Node(x) x_node.next = head current = head last = x_node while current: if current.val < x_node.val: last = last.next temp_val = current.val current.val = last.val last.val = temp_val current = current.next temp_val = last.val last.val = x_node.val x_node.val = temp_val node1 = Node(1) node2 = Node(2) node3 = Node(3) node4 = Node(4) node5 = Node(12) node6 = Node(6) node7 = Node(7) node8 = Node(8) node9 = Node(9) node10 = Node(100) node1.next = node2 node2.next = node3 node3.next = node4 node4.next = node5 node5.next = node6 node6.next = node7 node7.next = node8 node8.next = node9 node9.next = node10 Partition(node1, 5) print_list(node1)
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