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- public static int[] encodeArray(final int i) {
- return Integer.toString(i).chars().map(x -> x - '0').flatMap(digit -> {
- if (digit < 0) return IntStream.of(-1); // sign: '-'
- final Builder builder = IntStream.builder();
- for (int x = 0; x < digit; x++) builder.accept(0);
- builder.accept(1);
- return builder.build();
- }).toArray();
- }
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