How to Count Number of Segments in a String?
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 …
C++ Coding Exercise – Subdomain Visit Count
August 30, 2018
c / c++, coding exercise, learn to code, leetcode online judge, programming languages
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Given an array of string that is in the format of “count domain”, count the subdomain visits. For example, input the output is – could be in any order. …
Leetcode Online Judge Does Not Support Boost Library for C++ Solutions
I am doing a C++ coding exercise, as usual…. And to split a string in C++, the best/easy way is to use the boost library… However, this is not …
How to Check Any String is Palindrome from Its Permutation?
Given any string (assume both lowercase or uppercase letters), check if a permutation of the string could form a palindrome. For example, canPermutePalindrome(“aab”) = true while canPermutePalindrome(“ab”) = false. …
The Wiggle Sort Algorithm on Array of Integers
The Wiggle Sorting may produce more than one possible outcome as long as the final sorted array satisfies: nums <= nums >= nums <= nums Given an unsorted array …
How to Find Top K Frequent Elements via Priority Queue or Sorting?
Suppose if you are given an array of N integers, how could you find out the top K elements based on its frequencies? For example, Input: nums = , …