Problem 568. Number of 1s in a binary string

Created by Srivardhini

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Last Solution submitted on Aug 07, 2020

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2 Comments

2 Comments

Ryan McBurney on 30 Aug 2019

Something weird is happening

When I submit the size of my code is -1 and it fails the test suite when it seems to work fine in MATLAB desktop.

Fakhteh Ghalami on 9 Nov 2019

would you please let me know why
sum(x) creates error?

Solution Comments

Solution 2677466

1 Comment

1 Comment

evan muas on 10 Jul 2020 at 19:42

used y=y+str2double(x(i)) instead of y=y+str2double(x(i)) and it worked just fine

Solution 2586394

1 Comment

1 Comment

Piero Cimule on 20 Jun 2020

y=0;
for index=1:length(x)
y = y + str2num(x(index));
end

Solution 1882740

2 Comments

2 Comments

Sarah Walls on 24 Jul 2019

Why doesn't this solution work? Works just fine in my desktop program...

Marius Mueller on 17 Mar 2020

Because you compare a char Array to a double. Try (x=='1').

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binary sum

Problem 568. Number of 1s in a binary string

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Problem 568. Number of 1s in a binary string

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