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Posts Tagged: java (Page 13)

Sort Characters By Frequency solution leetcode

Given a string s, sort it in decreasing order based on the frequency of the characters. The frequency of a character is the number of times it appears in the string...

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Minimum Consecutive Cards to Pick up solution leetcode

An interesting problem on leetcode to find minimum number of ways to pick up consecutive cards. We will start with a brute force algorithm that would exceed in time limit. Later we will improve upon this algorithm using hashmap...

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Leetcode - All Divisions With the Highest Score of a Binary Array

You are given a **0-indexed** binary array `nums` of length `n`. `nums` can be divided at index `i` (where `0 <= i <= n`) into two arrays (possibly empty) numsleft and numsright..

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