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77 questions
6votes
2answers
232views
(HackerRank) Project Euler+ #250: 250250
Link to problem: linkNumber of solvers: 27 out of 844Solve rate (per person): 3.199%Success rate (over all submissions): 1.78% Project Euler+ on HackerRank is basically supposed to be a generalization ...
- 499
5votes
1answer
226views
Performance Tuning to enable answer for Project Euler #566 "Cake Icing Puzzle"
Related to this question I am still looking for a solution to Project Euler Problem 566 (see link for a nice simulation also): Adam plays the following game with his birthday cake. He cuts a piece ...
- 183
0votes
1answer
126views
HackerRank Project Euler 12 (Python) | Highly Divisible Triangular Numbers
I again share my Python code which didn't pass time limit test cases in the HackerRank contest of ProjectEuler. ...
5votes
1answer
496views
Connecting ropes with minimum cost
Question: There are given N ropes of different lengths, we need to connect these ropes into one rope. The cost to connect two ropes is equal to sum of their lengths. The task is to connect the ropes ...
3votes
2answers
421views
4votes
1answer
284views
Decibinary for xth number (Python code)
I created the code for the problem description below. It works for \$N\le10^6\$ but after that it gives a time out error. What I don't understand is how to optimize the code using dynamic programming. ...
1vote
1answer
265views
Climbing the leaderboard (Hacker Rank) via binary search
I am trying to solve the Climbing the leaderboard problem on Hacker Rank. My code passes all the test cases except Test Cases 6 to 9, which I assume are using large data sets. I'm using binary search ...
- 53
3votes
1answer
207views
Attempting to solve minimum window substring problem using Python 3.8
Hello programming gurus/reviewers, I attempted to solve the Minimum Window Substring (Leetcode 76) problem using Python 3. My solution involved using Counters and backtracking. On submission, the ...
4votes
1answer
831views
Find next smallest number that's representable as a sum of distinct powers of 3
I'm solving this challenge: Given a positive integer number, you have to find the smallest good number greater than or equal to the given number. The positive integer is called good if it can be ...
1vote
5answers
192views
Determine whether a magazine contains the words needed for a ransom note
This is a website Question on Hackrrank called Hash Tables: Ransom Note: Given the words in the magazine and the words in the ransom note, print "Yes" if we can replicate the ransom note ...
- 83
-3votes
1answer
815views
HackerRank | Roads and Libraries - Code Optimization
Major Edit: I wish people threw in a comment regarding what they are expecting instead of downvoting this question. I am quite appreciative of constructive feedback. I know it is only 3 people out of ...
3votes
3answers
150views
Summation of large inputs
Assume we are given \$ n \$ natural numbers, \$a_{1}, a_{2}, \dots, a_{n} \$ and we are supposed to calculate the following summation: \$ \sum_{i = 1}^{n}\sum_{j = 1}^{n} \left\lfloor \dfrac{a_{i}}{a_{...
4votes
1answer
1kviews
Solution for the Dole Out Cadbury challenge
Dole Out Cadbury Problem Description You are a teacher in reputed school. During Celebration Day you were assigned a task to distribute Cadbury such that maximum children get the chocolate. You have ...
7votes
1answer
88views
"Jedi's riddle" challenge
The challenge can be found here. In short we have a recursive function, and we need to find when \$z_i\$ is equal to one. $$ \begin{align} z_1 &= 1\\ z_i &= z_{i-1} * a\ \%\ n\\ \...
2votes
1answer
563views
Calculate your total happiness, which depends on the integers in the given sets [closed]
I am a beginner in programming. And I am learning python as my first language. I went on to do some challenges on HackerRank and stumbled upon this problem. The problem goes like this: There is an ...
- 31
