All Questions
19 questions
1
vote
1
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233
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Find a secret word given an array of triplets? (codewars problem)
The rules for the puzzle are:
Each triplet has the rules of how the letters are ordered in the secret word (each letter is followed by the next letter inside the triplet array).
all the letters of ...
- 131
2
votes
3
answers
415
views
Leetcode First Unique Character in a String code optimisation
I was working on First Unique Character in a String
Question
Given a string s, find the first non-repeating character in it and return its index. If it does not exist, return -1.
Example 1:
...
- 189
1
vote
2
answers
343
views
Leetcode 377. Combination Sum IV Javascript Memoization attempt
Problem Statement
...
1
vote
1
answer
180
views
Maximum Profit in Job Scheduling - Performance Issue
I implemented the Maximum Profit in Job Scheduling algorithm in JavaScript, but I'm having performance issue.
The problem:
We have n jobs, where every job is scheduled to be done from startTime[i] to ...
1
vote
1
answer
524
views
Cheapest flights within k stops algorithm in JavaScript
The problem:
There are n cities connected by some number of flights. You are given
an array flights where flights[i] = [fromi, toi, pricei] indicates
that there is ...
2
votes
1
answer
227
views
Leetcode 3 sum code optimisation
I was working on 3sum problem on leetcode
Question
Given an array nums of n integers, are there elements a, b, c in nums such that a + b + c = 0? Find all unique triplets in the array which gives the ...
- 189
3
votes
0
answers
2k
views
HackerRank's Challenging Palindromes solution times out for certain tests
I am trying to solve the Challenging Palindromes problem from HackerRank. The code that I have got so far fails only for large inputs due to timeout, every other test it passes successfully.
The ...
- 31
2
votes
1
answer
926
views
Codewars: Prime Streaming (PG-13)
I'm timing out on Codewars' Prime Streaming kata. Below is my code:
...
- 1,792
3
votes
1
answer
2k
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Maze path finder using Depth-First Search algorithm
I'm trying to resolve this kata from CodeWars.
Kata exercise
You are at position [0, 0] in maze NxN and you can only move in one of the four cardinal directions (i.e. North, East, South, West). ...
- 185
5
votes
2
answers
2k
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Hackerrank.com - Sherlock and Anagrams
Summary: Given a string find the number of anagramic pairs of substrings of it. e.g 'abba' pairs are [a,a],[b,b],[ab,ba],[abb,bba] so we have 4 pairs.
I'm wondering if anyone can help me improve my ...
- 153
2
votes
3
answers
2k
views
Climbing the Leaderboard: HackerranK, Terminated due to timeout
I have implemented my solution and I thought it was pretty efficient and passes most of the cases but seems like it fails some of the test cases when the input size is very large. I basically push ...
- 383
6
votes
2
answers
3k
views
Minimum swaps algorithm terminated due to timeout
I have been trying to solve this question.
Given an unordered array consisting of consecutive integers [1, 2, 3, ���, n], find the minimum number of two-element swaps to sort the array.
I was able ...
- 383
2
votes
2
answers
130
views
Forming all multiples of 3 using the given digits
I'm working on this kata from Codewars. The task is:
Given a certain number, how many multiples of three could you obtain with its digits?
Supose that you have the number 362. The numbers that can be ...
- 171
1
vote
4
answers
723
views
Find value that occurs in odd number of elements
I am trying to solve the following exercise using Javascript:
A non-empty array A consisting of N integers is given. The array contains an odd number of elements, and each element of the array can be ...
- 13
3
votes
1
answer
72
views
Terminated due to timeout Mapping phone numbers
I have a code based on the following problem "Mapping phone numbers to names", the problem is that when they are going to process large data(+100.000) the program ends by timeout. my code and problem ...
