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
Why doesn't this solution work? Works just fine in my desktop program...
Rotate input square matrix 90 degrees CCW without rot90
Add more zeros
Generate N equally spaced intervals between -L and L
Generate a NaN...on purpose
Sum of first n terms of a harmonic progression
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