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Update matrix_operation.py (#2159)

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* Update matrix_operation.py

* Update matrix_operation.py

* Update matrix_operation.py

* use yapf to format the code

* recover the error check

* add typing hint

* Update matrix/matrix_operation.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update matrix/matrix_operation.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update matrix/matrix_operation.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update matrix/matrix_operation.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* add float doctest

* black formated

* Update searching_in_sorted_matrix.py

* recover this file

* f-string, typing hint , doctest

* Update matrix_operation.py

* Update searching_in_sorted_matrix.py

* Update matrix_operation.py

* Update matrix/matrix_operation.py

Co-authored-by: Christian Clauss <cclauss@me.com>

Co-authored-by: Christian Clauss <cclauss@me.com>
Co-authored-by: vinayak <itssvinayak@gmail.com>
This commit is contained in:
wuyudi
2020-07-04 03:28:16 +08:00
committed by GitHub
parent 2c98dce057
commit f70a0a2980
2 changed files with 110 additions and 50 deletions
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26
matrix/searching_in_sorted_matrix.py
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@ -1,14 +1,32 @@
def search_in_a_sorted_matrix(mat, m, n, key):
from typing import List
def search_in_a_sorted_matrix(
mat: List[list], m: int, n: int, key: int or float) -> None:
'''
>>> search_in_a_sorted_matrix(\
[[2, 5, 7], [4, 8, 13], [9, 11, 15], [12, 17, 20]], 3, 3, 5)
Key 5 found at row- 1 column- 2
>>> search_in_a_sorted_matrix(\
[[2, 5, 7], [4, 8, 13], [9, 11, 15], [12, 17, 20]], 3, 3, 21)
Key 21 not found
>>> search_in_a_sorted_matrix(\
[[2.1, 5, 7], [4, 8, 13], [9, 11, 15], [12, 17, 20]], 3, 3, 2.1)
Key 2.1 found at row- 1 column- 1
>>> search_in_a_sorted_matrix(\
[[2.1, 5, 7], [4, 8, 13], [9, 11, 15], [12, 17, 20]], 3, 3, 2.2)
Key 2.2 not found
'''
i, j = m - 1, 0
while i >= 0 and j < n:
if key == mat[i][j]:
print("Key {} found at row- {} column- {}".format(key, i + 1, j + 1))
print(f"Key {key} found at row- {i + 1} column- {j + 1}")
return
if key < mat[i][j]:
i -= 1
else:
j += 1
print("Key %s not found" % (key))
print(f"Key {key} not found")
def main():
@ -19,4 +37,6 @@ def main():
if __name__ == "__main__":
import doctest
doctest.testmod()
main()