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Problems

1 – 50 of 5,256
Problem Title
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Solvers
Difficulty

Problem 843. Hyperspectral Processing: Determine Material Components given a Hyperspectral vector

Created by: Richard Zapor

Tags pseudo matrix inversion, hyperspectral, application

0

10

Problem 973. Partial pivoting for Gauss Elimination

Created by: Robert Canfield

Tags linear algebra, aoe2074

2

12

Problem 52854. Poly2mask, drawpolygon or patch

Created by: warnerchang

Tags polygon

1

14

Problem 43025. Check if a directory is on the current MATLAB search path

Created by: Matthew Eicholtz

Tags strings, string manipulation, path

0

15

Problem 2907. Collaborative Fun : Nomination

Created by: rifat

Tags self-referential, self reference, collaboration

3

9

Problem 1752. Get me! v4 (Cody hacking challenge)

Created by: Frequency Domain

Tags hack, get me!

4

17

Problem 1875. GJam: 2013 China Event: Cannon Angle

Created by: Richard Zapor

Tags physics, gjam, roots

3

20

Problem 2083. Independent direction vectors of a plane

Created by: Marcel

Tags basic, easy, high school math

0

19

Problem 42778. GJam March 2016 IOW: Polynesiaglot Medium

Created by: Richard Zapor

Tags contest, gjam, probability tree

8

9

Problem 44074. GJam 2017 Kickstart: Parentheses (Small)

Created by: Richard Zapor

Tags parentheses, gjam, kickstart

1

18

Problem 44075. GJam 2017 Kickstart: Parentheses (Large)

Created by: Richard Zapor

Tags parentheses, gjam, kickstart

2

17

Problem 739. Battleship_000 : (TM) Classic Game - Easy computer bot

Created by: Richard Zapor

Tags game, multi-call, pattern recognition

2

17

Problem 490. Fastest shortest-path-finder in the west

Created by: Alfonso Nieto-Castanon

Tags distance, shortest path, graph

1

15

Problem 55920. Juros Simples

Created by: Gustavo Oliveira

Tags function

0

45

Problem 56035. sinus de pulsation a

Created by: Yannis Cuypers

Tags #2ee104

1

30

Problem 58144. Given the mass and stiffness of an undamped SDOF system, find the natural frequency and the natural period of vibration

Created by: cdawg

Tags easy, stiffness, mass

0

36

Problem 58319. Calculate the Voltage Through a Step-Up Transformer

Created by: Andrew Cheyne

Tags math, physics

1

44

Problem 50162. Number Puzzle - 039

Created by: Doddy Kastanya

Tags puzzles

0

34

Problem 50172. Number Puzzle - 041

Created by: Doddy Kastanya

Tags puzzles

1

31

Problem 50237. Number Puzzle - 045

Created by: Doddy Kastanya

Tags puzzles

0

35

Problem 58653. Alternate Arrangement

Created by: Sneha

Tags math, permutations

13

19

Problem 50524. Calculate the structural rank of a 2-by-4 matrix.

Created by: Tesfaye Girma

Tags matrix

0

36

Problem 58877. Neural Net Image Convolution: Return only Valid portion of conv2

Created by: Richard Zapor

Tags digits, conv2, valid

0

5

Problem 58882. Neural Nets: Activation functions

Created by: Richard Zapor

Tags sigmoid, neural, activation functions

0

10

Problem 58887. Neural Net: Best Index of Prediction array

Created by: Richard Zapor

Tags find, max, neural net

0

11

Problem 58892. Neural Net: Calculate Perceptron

Created by: Richard Zapor

Tags life, latex, neural net

0

8

Problem 58897. Neural Net: Calculate Bias Single Perceptron (AND/NAND/OR/NOR/XOR)

Created by: Richard Zapor

Tags latex, neural net, perceptron

0

5

Problem 58917. Neural Net: Back Propagation of Quad Output with Bias, ReLU

Created by: Richard Zapor

Tags neural net, relu, back propagation

0

5

Problem 51173. Squares inside a square!

Created by: Fatima Abdulla HCT2021

Tags area

0

59

Problem 59121. rotation et mise à l'échelle avec des complexes

Created by: Yannis Cuypers

Tags #2ee104

0

14

Problem 59349. Determine ground distance from an aircraft to a DME station

Created by: Michael Byrne

Tags aviation, pythagorean theorem

0

21

Problem 59409. Determine pressure altitude using field elevation and altimeter setting

Created by: Michael Byrne

Tags rounding, aviation

0

14

Problem 59546. Getting values from a vector

Created by: Abdelrahman Adel

Tags indexing, vector

1

35

Problem 59671. Write a code to implement Euler's method to integrate a simple function

Created by: Ryan

Tags approximation, numerical integration, euler

1

11

Problem 59736. Counting the occurrences of a digit in a book

Created by: minnolina

Tags basic, easy

0

13

Problem 59816. Sun angle

Created by: minnolina

Tags basic, easy

1

17

Problem 59846. Sequencing Odd Even numbers

Created by: VBBV

Tags arrays, rescale

0

9

Problem 52070. Compute the effective conductivity of a heterogeneous aquifer

Created by: ChrisR

Tags groundwater, darcy's law, conductivity

1

11

Problem 60176. Find the number of diagonals in a n sided polygon.

Created by: Sahil Islam

Tags polygon, diagonal

0

21

Problem 60181. Integer Persistence, Product

Created by: minnolina

Tags easy

1

11

Problem 60186. Remove Unique Elements

Created by: minnolina

Tags easy

2

13

Problem 60201. Find the largest sum of any contiguous subarray

Created by: minnolina

Tags easy, kadane

0

11

Problem 60221. Battery Charge Indicator

Created by: minnolina

Tags easy

1

13

Problem 60251. Instructions Following

Created by: minnolina

Tags easy

1

10

Problem 60256. Final Stone Weight

Created by: minnolina

Tags easy

1

11

Problem 52308. ICFP2021 Hole-In-Wall: Calculate Score

Created by: Richard Zapor

Tags contest, icfp

0

4

Problem 60286. Hofstadter Q sequence

Created by: minnolina

Tags sequence, hofstadter

1

11

Problem 60296. Maximizing Stock Profit

Created by: minnolina

Tags easy

0

11

Problem 60306. Add non-triangular numbers

Created by: ChrisR

Tags sum, algebra, sequence

0

10
1 – 50 of 5,256