Negabinary numbers are written in base -2. For example, the negabinary number 11010 is (-2)^4+(-2)^3+(-2)^1 = 16 - 8 – 2, or 6 in base 10. In a similar way, -3 in base 10 is 1101 in negabinary.
Write a function that converts an integer to negabinary, written as a character string.
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Last Solution submitted on Apr 23, 2026

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Tim George Berken David Hill Lorenzo

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