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Results tagged with python-3.x
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user 63675
Python 3 is the latest version of the Python programming language and was formally released on December 3rd, 2008. Use this tag along with the main python tag to denote programs that are meant to be run on a Python 3 interpreter only. Do not mix this tag with the python-2.x tag.
2
votes
Print matrix diagonals method
Here's a generator in a generator:
m = [[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12], [13, 14, 15, 16]]
def diags(mat):
width, height = len(mat[0]), len(mat)
def diag(sx, sy):
for x, …
- 307
1
vote
Number of sub strings with same first and last character
Since this is something totally different, I have another answer, which should be in \$O(N)\$. With standard lib, but all unoptimized at the moment and just proof of concept:
from collections import …
- 307
1
vote
Number of sub strings with same first and last character
You're creating a few lists where you don't need them. I don't know if this fixes the timeout problem, but here's my take:
def countF(s):
l=len(s)
return sum(int(s[i]==s[j-1]) for i in range( …
- 307