Problems

1 – 50 of 4,698

Problem Title Likes Solvers Difficulty

Problem 54600. String Logic 19

Created by: Athi

Tags logic, string

Problem 54895. determine skid distance of car

Created by: Katie Kovrlija

Tags physics

Problem 54910. Vector slither sort!

Created by: Ayush

Tags sorting, sort, vector

Problem 55140. Draw 'W'

Created by: Karthik

Tags w, draw, draw letter

Problem 55160. Find distance travelled by an object starting from rest in time 't' and linear acceleration 'a' = 3t

Created by: Sreerag

Tags physics

Problem 55185. Ridge regularized linear regression

Created by: Yuvraj

Tags machine learning

Problem 55210. Determine whether one vector is a subset of another

Created by: ChrisR

Tags sets, matrix operation, more elegant way?

Tags arrays

Problem 55510. Congruent

Created by: Asif Newaz

Tags easy, numbers, modular arithmetic

Problem 55525. Fun with matrix

Created by: Asif Newaz

Tags matrix manipulation, matrix

Problem 55435. Mathematical formula

Created by: Saleh Ibrahim

Tags variables

Problem 55170. Find all prime factors of the input

Created by: Pisces

Tags primes

Problem 55190. Momentum Calculation

Created by: Ralph

Tags physics

Problem 55520. Find the remainder - 02

Created by: Asif Newaz

Tags easy, sum, mod

Problem 1120. Visualization of experimental data across a surface

Created by: Carl

Tags matrix, data

Problem 1170. Count the Number of Undirected Cycles in a Graph

Created by: Joseph Kirk

Tags graph theory, cycles, undirected graphs

Problem 1339. Travelling Salesman Problem (TSP)

Created by: Alex P.

Tags games, travelling salesman

Problem 1360. Special Relativity 101.

Created by: Claudio Gelmi

Tags physics, relativity

Problem 1382. Schwarzschild radius

Created by: Claudio Gelmi

Tags black holes

Problem 1391. give-nth-decimal-place-of-pi up to 100 digits

Created by: Harish Maradana

Tags decimal of pi

Problem 1445. Number of vertices of a hypercube

Created by: Claudio Gelmi

Tags hypercube

Problem 1456. Beads on a Necklace (Convex Hulls)

Created by: Ned Gulley

Tags geometry

Problem 1484. Conjunctive Normal Form

Created by: G K

Tags math, logic

Problem 1490. Shifted Hexagonal Tiling Dots in a Circle

Created by: Yaroslav

Tags geometry, grid, hexagon

Problem 1496. Disjunctive Normal Form

Created by: G K

Tags math, logic

Problem 150. chirp again

Created by: AMITAVA BISWAS

Tags chirp

Problem 169. Set a Soroban Abacus

Created by: @bmtran (Bryant Tran)

Tags math, linear algebra, logic

Problem 1729. Can you beat the lottery again (for hardcore coder) ?

Created by: Jean-Marie Sainthillier

Tags random, lottery, ><A HREF="https://bing.com">Sai</A>

Problem 1743. What? Paradox?

Created by: Frequency Domain

Tags hack, paradox

Problem 1745. Get me!

Created by: Frequency Domain

Tags hack

Problem 1747. Get me! v3

Created by: Frequency Domain

Tags hack, get me!

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

Created by: Frequency Domain

Tags hack, get me!

Problem 1753. Calculate FFT

Created by: Frequency Domain

Tags fft

Problem 1761. Primes Faster for Large N

Created by: Richard Zapor

Tags primes, find, logical

Problem 1763. Primes for Large N: 2^30, System Memory Limit

Created by: Richard Zapor

Tags primes, logical, memory management

Problem 1769. singularity 2.0 (easier)

Created by: Alfonso Nieto-Castanon

Tags hack

Problem 1846. Free Fall analytical solution (Chapra 2012 textbook Example 1.1)

Created by: Robert Canfield

Tags aoe2074

Problem 1854. Factorial: Unlimited Size : java.math

Created by: Richard Zapor

Tags factorial, java, bigdecimal

Problem 1866. Usage of mkdir and copyfile

Created by: Richard Zapor

Tags mkdir, copyfile, pwd

Problem 1875. GJam: 2013 China Event: Cannon Angle

Created by: Richard Zapor

Tags physics, gjam, roots

Problem 1892. LIFO Validation

Created by: Paul Berglund

Tags lifo

Problem 1901. GJam 2014 China Rd A: Read Phone Number

Created by: Richard Zapor

Tags string, sequence, gjam

Problem 1902. GJam 2014 China Rd A: Read Phone Number (Large)

Created by: Richard Zapor

Tags string, sequence, gjam

Problem 1916. GJam 2013 Veterans: Hedge

Created by: Richard Zapor

Tags gjam, vector processing

Problem 1937. Get input and output variable names

Created by: Sky Sartorius

Tags regexp

Problem 1969. Self-Description

Created by: Alfonso Nieto-Castanon

Tags self-referential, xkcd

Problem 1975. Kaggle: Reverse Game of Life - Zoo of Stills and Oscillators

Created by: Richard Zapor

Tags life, lcm, conv2

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