Nguyễn Xuân Thịnh

504

Rank

19

Badges

3525

Score

View Community Profile

1 – 50 of 238

Problem 246. Project Euler: Problem 8, Find largest product in a large string of numbers

Created by: Doug Hull

Tags projecteuler

2

Solutions

69

Size

2

Solutions

69

Size

Problem 235. Project Euler: Problem 4, Palindromic numbers

Created by: Doug Hull

Tags projecteuler

2

Solutions

80

Size

2

Solutions

80

Size

Problem 42508. Divisible by n, prime divisors from 20 to 200

Created by: goc3

Tags prime, string, precision

3

Solutions

40

Size

3

Solutions

40

Size

Problem 42455. Divisible by n, prime divisors - 11, 13, 17, & 19

Created by: goc3

Tags prime, string, precision

6

Solutions

60

Size

6

Solutions

60

Size

Problem 42454. Divisible by n, prime divisors (including powers)

Created by: goc3

Tags prime, string, precision

1

Solution

70

Size

1

Solution

70

Size

Problem 42453. Divisible by n, prime vs. composite divisors

Created by: goc3

Tags prime, string, precision

2

Solutions

54

Size

2

Solutions

54

Size

Problem 42418. Divisible by 16

Created by: goc3

Tags string, precision, overflow

2

Solutions

40

Size

2

Solutions

40

Size

Problem 42413. Divisible by 11

Created by: goc3

Tags string, precision, overflow

3

Solutions

38

Size

3

Solutions

38

Size

Problem 42417. Divisible by 15

Created by: goc3

Tags string, precision, overflow

2

Solutions

50

Size

2

Solutions

50

Size

Problem 42416. Divisible by 14

Created by: goc3

Tags string, precision, overflow

1

Solution

120

Size

1

Solution

120

Size

Problem 42415. Divisible by 13

Created by: goc3

Tags string, precision, overflow

1

Solution

71

Size

1

Solution

71

Size

Problem 42509. Divisible by n, Truncated-number Divisors

Created by: goc3

Tags prime, string, precision

1

Solution

34

Size

1

Solution

34

Size

Problem 42510. Divisible by n, Composite Divisors

Created by: goc3

Tags prime, string, precision

1

Solution

81

Size

1

Solution

81

Size

Problem 42414. Divisible by 12

Created by: goc3

Tags string, precision, overflow

2

Solutions

69

Size

2

Solutions

69

Size

Problem 42411. Divisible by 9

Created by: goc3

Tags string, precision, overflow

2

Solutions

30

Size

2

Solutions

30

Size

Problem 42410. Divisible by 8

Created by: goc3

Tags string, precision, overflow

3

Solutions

59

Size

3

Solutions

59

Size

Problem 42412. Divisible by 10

Created by: goc3

Tags string, precision, overflow

2

Solutions

32

Size

2

Solutions

32

Size

Problem 42409. Divisible by 7

Created by: goc3

Tags string, precision, overflow

2

Solutions

40

Size

2

Solutions

40

Size

Problem 42408. Divisible by 6

Created by: goc3

Tags string, precision, overflow

3

Solutions

61

Size

3

Solutions

61

Size

Problem 42407. Divisible by 5

Created by: goc3

Tags string, precision, overflow

1

Solution

32

Size

1

Solution

32

Size

Problem 42406. Divisible by 4

Created by: goc3

Tags string, precision, overflow

4

Solutions

37

Size

4

Solutions

37

Size

Problem 42405. Divisible by 3

Created by: goc3

Tags string, precision, overflow

2

Solutions

34

Size

2

Solutions

34

Size

Problem 42404. Divisible by 2

Created by: goc3

Tags string, precision, overflow

3

Solutions

43

Size

3

Solutions

43

Size

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

Created by: elias GR

Tags primes, factors

2

Solutions

42

Size

2

Solutions

42

Size

Problem 191. Proper Factors

Created by: @bmtran (Bryant Tran)

Tags proper factors

2

Solutions

34

Size

2

Solutions

34

Size

Problem 1066. Multiples of a Number in a Given Range

Created by: @bmtran (Bryant Tran)

Tags factor, plus15, colon

5

Solutions

22

Size

5

Solutions

22

Size

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

Created by: Doug Hull

Tags projecteuler

4

Solutions

55

Size

4

Solutions

55

Size

Problem 1925. Smith numbers

Created by: Sky Sartorius

Tags sum, factors

6

Solutions

102

Size

6

Solutions

102

Size

Problem 8057. (Linear) Recurrence Equations - Generalised Fibonacci-like sequences

Created by: Jan Orwat

Tags sequences, fibonacci, recurrence

5

Solutions

54

Size

5

Solutions

54

Size

Problem 42340. Fibonacci Decomposition

Created by: Ned Gulley

Tags fibonacci

2

Solutions

63

Size

2

Solutions

63

Size

Problem 44481. How many Fibonacci numbers?

Created by: Bob Tivnan

Tags integers, fibonacci, #easy

1

Solution

81

Size

1

Solution

81

Size

Problem 752. Is X a Fibonacci Matrix?

Created by: Sean de Wolski

Tags fibonacci, Tic...Toc...

8

Solutions

44

Size

8

Solutions

44

Size

Problem 83. Prime factor digits

Created by: Cody Team

Tags primes

3

Solutions

89

Size

3

Solutions

89

Size

Problem 148. Factorize THIS, buddy

Created by: the cyclist

Tags easy prime, basic matlab

2

Solutions

48

Size

2

Solutions

48

Size

Problem 43269. Get all prime factors

Created by: Jamil Kasan

Tags primes, factorization

2

Solutions

18

Size

2

Solutions

18

Size

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

2

Solutions

41

Size

2

Solutions

41

Size

Problem 1095. Circular Primes (based on Project Euler, problem 35)

Created by: James

Tags primes, projecteuler, circular reasoning

3

Solutions

111

Size

3

Solutions

111

Size

Problem 1096. Largest Twin Primes

Created by: Des Mc Manus

Tags primes

1

Solution

50

Size

1

Solution

50

Size

Problem 1946. Fibonacci-Sum of Squares

Created by: Chris Cleveland

Tags fibonacci, sum of squares

1

Solution

47

Size

1

Solution

47

Size

Problem 525. Mersenne Primes

Created by: Drew Weymouth

Tags math, prime, integers

5

Solutions

54

Size

5

Solutions

54

Size

Problem 2910. Mersenne Primes vs. All Primes

Created by: goc3

Tags primes, comparison, powers

6

Solutions

66

Size

6

Solutions

66

Size

Problem 981. Find nearest prime number less than input number

Created by: Reza Ahmadzadeh

Tags math, prime numbers

10

Solutions

39

Size

10

Solutions

39

Size

Problem 896. Sophie Germain prime

Created by: Aurelien Queffurust

Tags prime, primes, sophie germain

3

Solutions

38

Size

3

Solutions

38

Size

Problem 1722. Find the next prime number

Created by: Chris E.

Tags prime

3

Solutions

41

Size

3

Solutions

41

Size

Problem 1567. Make a vector of prime numbers

Created by: Marek Kuklis

Tags matlab

1

Solution

49

Size

1

Solution

49

Size

Problem 239. Project Euler: Problem 5, Smallest multiple

Created by: Doug Hull

Tags projecteuler

1

Solution

23

Size

1

Solution

23

Size

Problem 240. Project Euler: Problem 6, Natural numbers, squares and sums.

Created by: Doug Hull

Tags projecteuler

2

Solutions

28

Size

2

Solutions

28

Size

Problem 241. Project Euler: Problem 7, Nth prime

Created by: Doug Hull

Tags primes, projecteuler

2

Solutions

41

Size

2

Solutions

41

Size

Problem 249. Project Euler: Problem 9, Pythagorean numbers

Created by: Doug Hull

Tags projecteuler

2

Solutions

56

Size

2

Solutions

56

Size

Problem 230. Project Euler: Problem 1, Multiples of 3 and 5

Created by: Doug Hull

Tags projecteuler

2

Solutions

50

Size

2

Solutions

50

Size

1 – 50 of 238