Problem 568. Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input string is '0000', the output is 0
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3 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?
Devon Chen
on 10 Nov 2021
Cool problem!
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Introduction to MATLAB
- 23 Problems
- 8335 Finishers
- Add two numbers
- Find the sum of all the numbers of the input vector
- Maximum value in a matrix
- Return area of square
- Finding Perfect Squares
- Make the vector [1 2 3 4 5 6 7 8 9 10]
- Generate a vector like 1,2,2,3,3,3,4,4,4,4
- Triangle Numbers
- Length of the hypotenuse
- Select every other element of a vector
- Reverse the vector
- Column Removal
- Swap the input arguments
- Swap the first and last columns
- Check if number exists in vector
- Determine whether a vector is monotonically increasing
- Getting the indices from a vector
- Create times-tables
- Return the first and last characters of a character array
- Number of 1s in a binary string
- Make a random, non-repeating vector.
- Magic is simple (for beginners)
- Sum all integers from 1 to 2^n
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