Problems

1 – 50 of 103

Problem Title Likes Solvers Difficulty

Problem 47149. non-repitition of numbers in a vector

Created by: KATTA PRATYUSHA

Tags vector, numbers

Problem 55510. Congruent

Created by: Asif Newaz

Tags easy, numbers, modular arithmetic

Problem 57795. Armstrong Number

Created by: Md. Ikrama Hossain

Tags series, numbers, armstrong

Problem 46356. Surface area of a cone

Created by: Maryam HCTRAK Alhebsi

Tags numbers

Problem 1626. CARDS PROBLEM

Created by: Suman Saha

Tags easy, numbers

102

Problem 44141. Determine whether the number is multiple of 3 or not

Created by: Limon

Tags numbers, basic matlab

Problem 44683. Perfect Square

Created by: Dyuman Joshi

Tags numbers

Problem 42339. ~(*|/)

Created by: Jose Fernandez

Tags numbers

Problem 42835. Return the sequence element II

Created by: HH

Tags numbers, sequence, juggler

Problem 45465. Squares of odd numbers upto a given range

Created by: Gurrala V Krishna Reddy

Tags numbers

Problem 51788. Make a Number From the First and Last Digit of an Input Number

Created by: Nafees Ul Haque Akhand

Tags matrix manipulation, numbers

Problem 43130. Nth root

Created by: Abhishek Jain

Tags numbers, root, number theory

115

Problem 42757. Convert integer to base26 using letters

Created by: Alberto Comin

Tags numbers

Problem 46075. Determine the factorial of a number

Created by: Javier Maldonado Palma

Tags numbers, basic matlab

Problem 42833. Return the sequence element I

Created by: HH

Tags numbers, sequence

Problem 43045. Display negative numbers

Created by: Abhishek Jain

Tags numbers, poor_test_suite, positive

Problem 2817. Remove the positive integers.

Created by: Matthew Caron

Tags numbers, basic matlab, remove

241

Problem 52442. Draw a x-by-x matrix British flag (Euro 2020)

Created by: Trần Nhật Tân

Tags easy, matrix, numbers

Problem 43082. Reverse digits of a number

Created by: Mohammad Haghighat

Tags math, numbers, basic matlab

Problem 46639. Transform a Decimal number into a Septimal number

Created by: Syed Shahed

Tags numbers, number theory

Problem 43123. Sum of cubes

Created by: Abhishek Jain

Tags numbers, sum, cube

Problem 52774. Easy Sequences 23: Hat Guessing Game!

Created by: Ramon Villamangca

Tags easy, numbers, algebra

Problem 42837. Increasing sub-sequence (Level 1)

Created by: HH

Tags sequences, numbers

Problem 49962. When the sum of the squares is a cubic...

Created by: Doddy Kastanya

Tags numbers, fun

Problem 44696. Sum of unique multiples of 3 and 5

Created by: Srishti Saha

Tags matlab 101, numbers, matlab basics

Problem 45543. Find the remainder with the factorial of PRIMES?

Created by: Muhammad Usman

Tags primes, loop, numbers

Problem 54285. Palindrome Problem 1

Created by: CXD

Tags palindrome, numbers

Problem 49967. When the sum of the cubes is a quartic...

Created by: Doddy Kastanya

Tags numbers, cubic, quartic

Problem 44287. sum all digits

Created by: Zakaria Makhlouki

Tags digits, numbers, sum

105

Problem 322. Number of Circles in a Number

Created by: @bmtran (Bryant Tran)

Tags numbers, facebook, preschool

219

Problem 1952. Count decimal digits of a number

Created by: Dimitris Kaliakmanis

Tags numbers

216

Problem 42381. Dice roll - lateral faces

Created by: goc3

Tags game, dice, numbers

Problem 1290. A different counting method

Created by: Konrad

Tags matlab, counting, numbers

Problem 45960. Set the Euler-Mascheroni constant with an identity using available MATLAB functions

Created by: ChrisR

Tags numbers, number theory

Problem 45255. Find the sequence

Created by: Asif Newaz

Tags easy, numbers, sequence

Problem 2269. Create the following sequence : 0 1 1 4 9 25 64 169 ...

Created by: Debopam

Tags numbers, fibonacci, poor_test_suite

126

Problem 44750. You never ask a lady her age

Created by: cdeliu

Tags numbers, age

Problem 55015. Draw a fancy '7' in a zero matrix!

Created by: Maddie

Tags numbers, draw numbers, codechella

Problem 291. Triangle Numbers Below N

Created by: @bmtran (Bryant Tran)

Tags triangle, numbers, below

212

Problem 54265. n-th digit of write-down all numbers

Created by: CXD

Tags series, numbers

Problem 1737. The sum of individual numbers...

Created by: Chris E.

Tags vectors, numbers, number tricks

Problem 1997. Compute Fibonacci Number

Created by: Alex

Tags numbers, fibonacci

415

Problem 44859. Get the value 100

Created by: Jesús Zambrano

Tags integers, digits, numbers

Problem 2987. Hardy-Ramanujan number

Created by: Ritwik Rudra

Tags numbers, poor_test_suite

Problem 42836. Juggler sequence revisited

Created by: HH

Tags numbers, sequence, juggler

Problem 42981. Angle difference between Hour Hand and Minute Hand of clock

Created by: Vishal

Tags numbers, clock

Problem 46016. Determine digits of the Copeland-Erdos constant

Created by: ChrisR

Tags numbers, number theory

1 – 50 of 103

Difficulty Rating

Problem Groups

Problems