SketchBoard | Sketch Board is a Collaborative Drawing Based Web | Frontend Framework library
kandi X-RAY | SketchBoard Summary
kandi X-RAY | SketchBoard Summary
Sketch Board is a Collaborative Drawing Based Web Application Created with p5.js, Node.js, Socket.io and Passport.js.
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Top functions reviewed by kandi - BETA
- Initialize a new User .
- Get a user by email
- Get a user by id .
- setup
- Mouse pointer handler
- route redirect to next entry
- route redirect to a request
- drawing .
- clear the drawing
- Change LED color
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QUESTION
this is my multi dimensional array.
1-2-3-4
5-6-7-8
9-10-11-12
13-14-15-16
And i want find sum of reverse diagonal elements (From:right top To:left bottom) (4 -> 7 -> 10 -> 13)
Here is my code, it gives an error but i still can't find why.
...ANSWER
Answered 2021-Apr-02 at 12:21Your loop starts with a.GetLength(1)
or a.GetLength(0)
in both cases this will resolve to 4
but there is no index with 4
since indexes start with 0
.
So index will be 0, 1, 2 or 3
which equals to a length of 4
.
To fix your problem you need to substract 1
from the length.
Currently you are also skipping the index 0
, I don't know why you are doing so, maybe it is an error aswell, to fix this you have to change the break condidtion of the for
loop from > 0
to >= 0
.
This should work
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