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101 – 150 of 521

Problem 1879. Converting numbers back from extended form

Created by: James

Tags place value, extended form, third grade math

3

Solutions

10

Size

3

Solutions

10

Size

Problem 2040. Additive persistence

Created by: Jean-Marie Sainthillier

Tags recursion, persistence

1

Solution

28

Size

1

Solution

28

Size

Problem 172. Test if a Number is a Palindrome without using any String Operations

Created by: @bmtran (Bryant Tran)

Tags palindrome, number, powers of 10

1

Solution

41

Size

1

Solution

41

Size

Problem 2126. Split bread like the Pharaohs - Egyptian fractions and greedy algorithm

Created by: Muthu Annamalai

Tags rats, egyptian fraction

1

Solution

41

Size

1

Solution

41

Size

Problem 145. Increment a number, given its digits

Created by: the cyclist

Tags digit increment

1

Solution

21

Size

1

Solution

21

Size

Problem 324. 7 segment LED display

Created by: Alan Chalker

Tags number representations

3

Solutions

19

Size

3

Solutions

19

Size

Problem 2133. Reverse Calculator

Created by: Vivek

Tags reverse order number

5

Solutions

58

Size

5

Solutions

58

Size

Problem 1453. Calculate Engine Power

Created by: Chintan

Tags basic matlab

1

Solution

16

Size

1

Solution

16

Size

Problem 1450. Calculate compression ratio of engine

Created by: Chintan

Tags auto basics

3

Solutions

25

Size

3

Solutions

25

Size

Problem 2674. Generalised Hamming Number

Created by: Jean-Marie Sainthillier

Tags hamming

3

Solutions

61

Size

3

Solutions

61

Size

Problem 1826. Find vampire numbers

Created by: Andrew Newell

Tags factors, number theory

5

Solutions

169

Size

5

Solutions

169

Size

Problem 234. Project Euler: Problem 3, Largest prime factor

Created by: Doug Hull

Tags projecteuler

2

Solutions

14

Size

2

Solutions

14

Size

Problem 365. Numbers with prime factors 2, 3 and 5.

Created by: elias GR

Tags primes, factors

3

Solutions

45

Size

3

Solutions

45

Size

Problem 1925. Smith numbers

Created by: Sky Sartorius

Tags sum, factors

3

Solutions

47

Size

3

Solutions

47

Size

Problem 1066. Multiples of a Number in a Given Range

Created by: @bmtran (Bryant Tran)

Tags factor, plus15, colon

2

Solutions

25

Size

2

Solutions

25

Size

Problem 191. Proper Factors

Created by: @bmtran (Bryant Tran)

Tags proper factors

3

Solutions

20

Size

3

Solutions

20

Size

Problem 48910. Total energy

Created by: Chinmaya

Tags physics

1

Solution

22

Size

1

Solution

22

Size

Problem 48900. Kinetic energy calculation

Created by: Chinmaya

Tags physics

1

Solution

15

Size

1

Solution

15

Size

Problem 48675. Laws of motion 1

Created by: Chinmaya

Tags mechanics, physics

1

Solution

14

Size

1

Solution

14

Size

Problem 48680. Laws of motion 2

Created by: Chinmaya

Tags mechanics, physics

1

Solution

20

Size

1

Solution

20

Size

Problem 48690. Laws of motion 4

Created by: Chinmaya

Tags physics

1

Solution

21

Size

1

Solution

21

Size

Problem 48695. Laws of motion 5

Created by: Chinmaya

Tags physics

2

Solutions

11

Size

2

Solutions

11

Size

Problem 1394. Prime Ladders

Created by: Ned Gulley

Tags primes

5

Solutions

189

Size

5

Solutions

189

Size

Problem 44403. Goldbach's marginal conjecture - Write integer as sum of three primes

Created by: yurenchu

Tags primes, goldbach conjecture

1

Solution

32

Size

1

Solution

32

Size

Problem 64. The Goldbach Conjecture, Part 2

Created by: Cody Team

Tags primes

1

Solution

22

Size

1

Solution

22

Size

Problem 248. Twins in a Window

Created by: Ned Gulley

Tags primes

2

Solutions

38

Size

2

Solutions

38

Size

Problem 3016. Twin Primes

Created by: goc3

Tags prime, integer, sequence

2

Solutions

35

Size

2

Solutions

35

Size

Problem 83. Prime factor digits

Created by: Cody Team

Tags primes

2

Solutions

27

Size

2

Solutions

27

Size

Problem 44385. Extra safe primes

Created by: Matthew Eicholtz

Tags prime numbers, cody5, safe prime

2

Solutions

45

Size

2

Solutions

45

Size

Problem 44384. Find the nearest prime number

Created by: Matthew Eicholtz

Tags prime numbers, cody5

1

Solution

24

Size

1

Solution

24

Size

Problem 2736. Pernicious Anniversary Problem

Created by: Jan Orwat

Tags easy, sequences, oeis

2

Solutions

16

Size

2

Solutions

16

Size

Problem 733. Extract Built In Functions and Toolbox Functions from String or Function Handle

Created by: Richard Zapor

Tags regexp, match, unique

13

Solutions

56

Size

13

Solutions

56

Size

Problem 70. Alphabetize by last name

Created by: Cody Team

Tags regexp, sorting

1

Solution

24

Size

1

Solution

24

Size

Problem 185. Data decompression

Created by: Tomasz

Tags strings, prefix free codes, bit manipulation

1

Solution

75

Size

1

Solution

75

Size

Problem 50. QWERTY coordinates

Created by: Cody Team

Tags indexing

5

Solutions

73

Size

5

Solutions

73

Size

Problem 27. Pangrams!

Created by: Cody Team

Tags strings

2

Solutions

15

Size

2

Solutions

15

Size

Problem 44815. Word Distance - Sum

Created by: goc3

Tags distance, string, letter

5

Solutions

38

Size

5

Solutions

38

Size

Problem 49082. Energy Conversion 1

Created by: Doddy Kastanya

Tags easy, conversion, energy

2

Solutions

10

Size

2

Solutions

10

Size

Problem 49072. Area Conversion 2

Created by: Doddy Kastanya

Tags easy, area, conversion

4

Solutions

13

Size

4

Solutions

13

Size

Problem 49062. Mass Conversion 2

Created by: Doddy Kastanya

Tags easy, conversion, mass

2

Solutions

13

Size

2

Solutions

13

Size

Problem 49052. Temperature Conversion 3

Created by: Doddy Kastanya

Tags easy, conversion, temperature

3

Solutions

14

Size

3

Solutions

14

Size

Problem 49047. Temperature Conversion 2

Created by: Doddy Kastanya

Tags easy, conversion, temperature

1

Solution

17

Size

1

Solution

17

Size

Problem 49037. Temperature Conversion 1

Created by: Doddy Kastanya

Tags easy, conversion, temperature

1

Solution

10

Size

1

Solution

10

Size

Problem 42323. With apologies to William Blake

Created by: James

Tags tyger tyger, symmetry

1

Solution

133

Size

1

Solution

133

Size

Problem 2455. Diagonal of a Spiral Matrix

Created by: rifat

Tags spiral, diag

3

Solutions

59

Size

3

Solutions

59

Size

Problem 2365. Generate this matrix

Created by: rifat

Tags matrix, diag

1

Solution

44

Size

1

Solution

44

Size

Problem 42876. Rotate Matrix @180 degree

Created by: Pritesh Shah

Tags matrix manipulation, matrix

1

Solution

11

Size

1

Solution

11

Size

Problem 50912. Draw a '0' in a one matrix!

Created by: Szász Botond

Tags x

2

Solutions

42

Size

2

Solutions

42

Size

Problem 44468. Diagonal Pattern

Created by: Shaul Salomon

Tags matrices, loops, 22105

6

Solutions

23

Size

6

Solutions

23

Size

Problem 37. Pascal's Triangle

Created by: Cody Team

Tags math, combinatorics

1

Solution

18

Size

1

Solution

18

Size

101 – 150 of 521