Given a word, you need to judge whether the usage of capitals in it is right or not.
We define the usage of capitals in a word to be right when one of the following ...
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Bangalore people have witnessed some kind of weird large sound along with strong tremors mostly like an earthquake. People in a panic have started sharing on Twitter about what they felt. The earthquake-like tremors and ...
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Given an array of characters, compress it in-place.
The length after compression must always be smaller than or equal to the original array.
Every element of the array should be a character (not int) of ...
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Given a string and an integer k, you need to reverse the first k characters for every 2k characters counting from the start of the string. If there are less than k characters left, reverse ...
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Allahabad, also known as Prayag, is a large metropolitan city in the Indian state of Uttar Pradesh (U.P/UP) and the administrative headquarters of Allahabad District, the most populous district in the state and 13th most populous ...
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Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters ...
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Given two strings, you need to find the longest uncommon subsequence of these two strings. The longest uncommon subsequence is defined as the longest subsequence of one of these strings and this subsequence should not ...
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To write your Ruby programs, you will need an editor −
- If you are working on a Windows machine, then you can use any simple text editor like Notepad or Edit plus.
- VIM ...
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Given a sentence that consists of some words separated by a single space, and a searchWord.
You have to check if searchWord is a prefix of any word in sentence.
Return the index of the ...
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Count the number of segments in a string, where a segment is defined to be a contiguous sequence of non-space characters.
Please note that the string does not contain any non-printable characters.
Example:
Input: ...
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Write a function that reverses a string. The input string is given as an array of characters char[].
Do not allocate extra space for another array, you must do this by modifying the input array ...
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Given a string s, the power of the string is the maximum length of a non-empty substring that contains only one unique character.
Return the power of the string.
Example 1:
Input: s = ...
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