I can think of many ways to fill an array with zeroes. For example, you could start with an empty array and put a zero at the first position. Once you have an array of zeroes of a given length, you can get an array with twice as many zeroes by appending the array to itself.

What ideas have you come up with and what code have you written? This is not a site where we will do your homework for you. Most likely your course materials cover the knowledge necessary to master this task.

In reply to Re^3: sequence of positions to binary sequence by Corion
in thread sequence of positions to binary sequence by coldy

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