Problem 46778. PIN code II

Created by Payam Morsali
Appears in Matrix Patterns II

Difficulty:Rate

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A cell phones requires a PIN code to open which only includes numbers; how long (in terms of minutes) does it take to enter all possible inputs with X input digits. (entering each digit takes 1 sec)

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221 Solutions
39 Solvers

Last Solution submitted on Mar 18, 2025

Last 200 Solutions

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3 Comments

Rafael S.T. Vieira on 16 Oct 2020

Please, do not use isequal with floats, use (a-b) < tol.

Stefan Abendroth on 20 Oct 2022

Inconsistent rounding in test suite.

goc3 on 15 Apr 2023

The test suite has been updated to test against a tolerance.

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Problem 46778. PIN code II

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Last 200 Solutions

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Problem 46778. PIN code II

Solution Stats

Last 200 Solutions

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Solution Comments

Registration Now Open for MathWorks AUTOMOTIVE CONFERENCE 2025

Problem Recent Solvers39

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More from this Author29

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