Problem 129. All capital?

AMITAVA BISWAS

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Are all the letters in the input string capital letters?

Examples:

 'MNOP' -> 1
 'MN0P' -> 0

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1695 Solutions

661 Solvers

Last Solution submitted on Feb 04, 2026

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8 Comments

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Oleg Komarov on 29 Jan 2012

Make your checks robust to brute force approach.

Gaik Tamazian on 17 Feb 2012

You should add more checks to the test suite.

David Young on 22 Feb 2012

I agree with Oleg and Gaik: please have a rich test suite.

Drew Weymouth on 4 Apr 2012

You should include a test case with a string that contains lowercase letters as well as uppercase letters, numbers, and symbols.

Sangeeta on 24 Apr 2012

It is not checking lowercase letters. Give some test for that.Otherwise problem statement should be different.

Ned Gulley on 24 Apr 2012

I added a test for lowercase.

Des Mc Manus on 6 Dec 2012

the description of the problem is misspecified. "Are all the letters in the input string capital letters?" Numbers are not letters. The tests treat numbers as lower case.

Swapnil on 21 Jun 2013

Test cases are not according to problem statement.

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