All Questions
29 questions
1
vote
3
answers
133
views
Another ATMs cash-out (denomination) algorithm in Java
Related to this question and this answer, I would like to have a second review from you on a modified version.
The problem I tried to solve
Some kind of "Minimum count of numbers required from ...
- 772
3
votes
1
answer
4k
views
Count the number of distinct subarrays
I want to determine the number of distinct subarrays that can form having at most a given number of odd elements. Two subarrays are distinct if they differ at even one position. The subarray is a ...
- 31
4
votes
1
answer
164
views
Searching for an idiomatic Rust implementation of Minimum Edit Distance (LeetCode #72)
I am solving LeetCode Dynamic Programming challenges (this one is #72, at https://leetcode.com/problems/edit-distance).
Here below, I've implemented a Rust solution for the minimum edit distance ...
- 143
2
votes
2
answers
85
views
(Java) Read .txt and organize activities for hours / minutes
Doubts in logic to generate the output file according to the example
I need that even if he reaches the total_min <720 condition he continues to travel the lines. 720 is the total number of minutes ...
- 123
5
votes
2
answers
124
views
Calculate the rates at which users get stuck at each stage
I completed an algorithm problem just as a personal study, and I can't help but feel like my solution is a bit needlessly complicated, although I can't figure out a better way to do it. Here's the ...
- 151
3
votes
2
answers
833
views
Optimal burger-eating challenge
Little history to give context to the problem:
The Krusty-Burgers
Homer Simpson is a smart guy who likes to eat Krusty-Burgers, and it takes m minutes for Homer ...
- 401
0
votes
2
answers
506
views
Making Anagram Problem Implementation
Problem Statement
Alice is taking a cryptography class and finding anagrams to be very useful. We consider two strings to be anagrams of each other if the first string's letters can be rearranged to ...
- 479
3
votes
2
answers
1k
views
Counting the number of ways to decode a string
I am working on problem where I need to decode a string:
A message containing letters from A-Z is being encoded to numbers
using the following mapping:
'A' -> 1
'B' -> 2
...
'...
- 499
3
votes
1
answer
442
views
Find the maximum possible summation of differences of consecutive elements
Array A contains the elements, \$A_1,A_2, \ldots, A_N\$.
And array B contains the elements, \$B_1,B_2, \ldots, B_N\$.
There is a relationship between \$A_i\$ and \$B_i\$: any element \$A_i\$ ...
- 261
3
votes
0
answers
57
views
Number of ways to complete a plan
I worked on a dynamic programming problem. Here is its link. I have to find the number of ways respecting the constraint that user doesn't go to the Gym for two consecutive days.
...
- 265
3
votes
1
answer
111
views
Given two words, transform the first one into the second [closed]
As the title says, the problem I had to do sounded something like this:
We are given two words, S1 and S2. We must transform S1 into S2, using the following operations:
insert: insert a character in ...
- 31
5
votes
1
answer
573
views
Snakes and Ladders using a magic die
This is a problem from here where you're given a magic die, and the objective is to find the minimum number of dice throws (hops) to go from the start point to the end of the board, and win the game.
...
- 51
8
votes
5
answers
2k
views
Repeatedly partitioning an array equally as far as possible
I solved HackerRank Nikita and the Game. The implementation is correct as program passes all test cases.
Nikita just came up with a new array game. The rules are as follows:
Initially, ...
6
votes
1
answer
3k
views
Coin change algorithm
I've implemented the coin change algorithm using Dynamic Programming and Greedy Algorithm w/ backtracking. The description is as follows:
Given an amount of change (n) list all of the possibilities ...
- 181
2
votes
2
answers
5k
views
Candie distribution algorithm
I am studying algorithms and I solved this problem under Dynamic Programming section:
Alice is a kindergarten teacher. She wants to give some candies to the
children in her class. All the ...
- 287