Problem 2198. Find my birthday

Created by Swapnali Gujar

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Given a birth date x, find my age when my birth day will fall on the same day as I was born. So if I was born on Monday, what age will I be when my birthday once again falls on a Monday.

There can be multiple outputs of this. You need to return first occurrence.

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Last Solution submitted on May 28, 2020

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Paul Berglund on 23 Mar 2014

The answer for '29-Feb-1970' should probably be NaN

Solution Comments

Solution 1534382

3 Comments

3 Comments

J. S. Kowontan on 19 May 2018

To solve the issue with the birthday year that falls on '29-Feb-1970' (and all such leap years), use the MATLAB function datestr(x) in place of x in the regexprep while condition loop to convert such b'day years to the correct '01-Mar-1970'. P.S. You can then delete the cheating section and at least get a Cody score of 26.

bainhome on 19 May 2018

THX,man. But I did not know datestr have this useage. at that time I just thought this problem is flawed.and not consider this code is cheated.

bainhome on 19 May 2018

PS: like the function you use( not gonna tell it for spoil-free), it is actully nice.

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datenum datestr

Problem 2198. Find my birthday

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Last 200 Solutions

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Problem 2198. Find my birthday

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Last 200 Solutions

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Problem Recent Solvers31

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