Description

This problem is the inverse of Problem 136: Read a Soroban Abacus. Provided an N-digit integer, return a logical matrix of size 7xN that symbolizes the input number.

Example

    x = 10586;
    y = [ 1 1 0 0 0
          0 0 1 1 1
          1 0 0 1 1
          0 1 1 1 0
          1 1 1 1 1
          1 1 1 0 1
          1 1 1 1 1 ];
Solve

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142 Solutions

38 Solvers

Last Solution submitted on Mar 16, 2026

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George Berken Pauli Huusari Wang Fan kokko

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