You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
1.9 KiB
83 lines
1.9 KiB
"""
|
|
File: print_util.py
|
|
Created Time: 2021-12-11
|
|
Author: Krahets (krahets@163.com), msk397 (machangxinq@gmail.com)
|
|
"""
|
|
|
|
import copy
|
|
import queue
|
|
from .binary_tree import TreeNode, tree_to_list
|
|
from .linked_list import ListNode, linked_list_to_list
|
|
|
|
def print_matrix(mat):
|
|
"""Print a matrix
|
|
|
|
Args:
|
|
mat ([type]): [description]
|
|
"""
|
|
pstr = []
|
|
for arr in mat:
|
|
pstr.append(' ' + str(arr))
|
|
|
|
print('[\n' + ',\n'.join(pstr) + '\n]')
|
|
|
|
def print_linked_list(head):
|
|
"""Print a linked list
|
|
|
|
Args:
|
|
head ([type]): [description]
|
|
"""
|
|
arr = linked_list_to_list(head)
|
|
print(' -> '.join([str(a) for a in arr]))
|
|
|
|
class Trunk:
|
|
def __init__(self, prev=None, str=None):
|
|
self.prev = prev
|
|
self.str = str
|
|
|
|
def showTrunks(p):
|
|
if p is None:
|
|
return
|
|
showTrunks(p.prev)
|
|
print(p.str, end='')
|
|
|
|
def print_tree(root, prev=None, isLeft=False):
|
|
"""Print a binary tree
|
|
This tree printer is borrowed from TECHIE DELIGHT
|
|
https://www.techiedelight.com/c-program-print-binary-tree/
|
|
Args:
|
|
root ([type]): [description]
|
|
prev ([type], optional): [description]. Defaults to None.
|
|
isLeft (bool, optional): [description]. Defaults to False.
|
|
"""
|
|
if root is None:
|
|
return
|
|
|
|
prev_str = ' '
|
|
trunk = Trunk(prev, prev_str)
|
|
print_tree(root.right, trunk, True)
|
|
|
|
if prev is None:
|
|
trunk.str = '———'
|
|
elif isLeft:
|
|
trunk.str = '/———'
|
|
prev_str = ' |'
|
|
else:
|
|
trunk.str = '\———'
|
|
prev.str = prev_str
|
|
|
|
showTrunks(trunk)
|
|
print(' ' + str(root.val))
|
|
if prev:
|
|
prev.str = prev_str
|
|
trunk.str = ' |'
|
|
print_tree(root.left, trunk, False)
|
|
|
|
def print_dict(d):
|
|
"""Print a dict
|
|
|
|
Args:
|
|
d ([type]): [description]
|
|
"""
|
|
for key, value in d.items():
|
|
print(key, '->', value) |